diff --git a/src/ol/source/bingmapssource.js b/src/ol/source/bingmapssource.js
index e514d00c53..102b720634 100644
--- a/src/ol/source/bingmapssource.js
+++ b/src/ol/source/bingmapssource.js
@@ -20,9 +20,9 @@ goog.require('ol.tilegrid.XYZ');
 /**
  * @constructor
  * @extends {ol.source.ImageTileSource}
- * @param {ol.source.BingMapsOptions} bingMapsOptions Bing Maps options.
+ * @param {ol.source.BingMapsOptions} options Bing Maps options.
  */
-ol.source.BingMaps = function(bingMapsOptions) {
+ol.source.BingMaps = function(options) {
 
   goog.base(this, {
     crossOrigin: 'anonymous',
@@ -34,8 +34,7 @@ ol.source.BingMaps = function(bingMapsOptions) {
    * @private
    * @type {string}
    */
-  this.culture_ = goog.isDef(bingMapsOptions.culture) ?
-      bingMapsOptions.culture : 'en-us';
+  this.culture_ = goog.isDef(options.culture) ? options.culture : 'en-us';
 
   /**
    * @private
@@ -44,12 +43,11 @@ ol.source.BingMaps = function(bingMapsOptions) {
   this.ready_ = false;
 
   var uri = new goog.Uri(
-      '//dev.virtualearth.net/REST/v1/Imagery/Metadata/' +
-      bingMapsOptions.style);
+      '//dev.virtualearth.net/REST/v1/Imagery/Metadata/' + options.style);
   var jsonp = new goog.net.Jsonp(uri, 'jsonp');
   jsonp.send({
     'include': 'ImageryProviders',
-    'key': bingMapsOptions.key
+    'key': options.key
   }, goog.bind(this.handleImageryMetadataResponse, this));
 
 };
diff --git a/src/ol/source/debugtilesource.js b/src/ol/source/debugtilesource.js
index f11bbb6be2..097664a191 100644
--- a/src/ol/source/debugtilesource.js
+++ b/src/ol/source/debugtilesource.js
@@ -84,7 +84,7 @@ ol.DebugTile_.prototype.getImage = function(opt_context) {
 /**
  * @constructor
  * @extends {ol.source.TileSource}
- * @param {ol.source.DebugTileSourceOptions} options Options.
+ * @param {ol.source.DebugTileSourceOptions} options Debug tile options.
  */
 ol.source.DebugTileSource = function(options) {
 
diff --git a/src/ol/source/imagesource.js b/src/ol/source/imagesource.js
index 9c9d3cbf77..5ae22ee4d3 100644
--- a/src/ol/source/imagesource.js
+++ b/src/ol/source/imagesource.js
@@ -30,8 +30,7 @@ ol.source.ImageSourceOptions;
 /**
  * @constructor
  * @extends {ol.source.Source}
- * @param {ol.source.ImageSourceOptions} options Single
- *     image source options.
+ * @param {ol.source.ImageSourceOptions} options Single image source options.
  */
 ol.source.ImageSource = function(options) {
 
diff --git a/src/ol/source/imagetilesource.js b/src/ol/source/imagetilesource.js
index 7472314d0a..d20b478166 100644
--- a/src/ol/source/imagetilesource.js
+++ b/src/ol/source/imagetilesource.js
@@ -1,5 +1,4 @@
 goog.provide('ol.source.ImageTileSource');
-goog.provide('ol.source.ImageTileSourceOptions');
 
 goog.require('goog.asserts');
 goog.require('ol.Attribution');
@@ -26,14 +25,14 @@ goog.require('ol.tilegrid.TileGrid');
  *            tileGrid: (ol.tilegrid.TileGrid|undefined),
  *            tileUrlFunction: (ol.TileUrlFunctionType|undefined)}}
  */
-ol.source.ImageTileSourceOptions;
+ol.source.ImageTileOptions;
 
 
 
 /**
  * @constructor
  * @extends {ol.source.TileSource}
- * @param {ol.source.ImageTileSourceOptions} options Options.
+ * @param {ol.source.ImageTileOptions} options Image tile options.
  */
 ol.source.ImageTileSource = function(options) {
 
diff --git a/src/ol/source/source.js b/src/ol/source/source.js
index 8d4733a742..5ebc17506c 100644
--- a/src/ol/source/source.js
+++ b/src/ol/source/source.js
@@ -12,9 +12,9 @@ goog.require('ol.projection');
 /**
  * @constructor
  * @extends {goog.events.EventTarget}
- * @param {ol.source.SourceOptions} sourceOptions Source options.
+ * @param {ol.source.SourceOptions} options Source options.
  */
-ol.source.Source = function(sourceOptions) {
+ol.source.Source = function(options) {
 
   goog.base(this);
 
@@ -22,28 +22,28 @@ ol.source.Source = function(sourceOptions) {
    * @private
    * @type {ol.Projection}
    */
-  this.projection_ = ol.projection.get(sourceOptions.projection);
+  this.projection_ = ol.projection.get(options.projection);
 
   /**
    * @private
    * @type {ol.Extent}
    */
-  this.extent_ = goog.isDef(sourceOptions.extent) ?
-      sourceOptions.extent : goog.isDef(sourceOptions.projection) ?
+  this.extent_ = goog.isDef(options.extent) ?
+      options.extent : goog.isDef(options.projection) ?
           this.projection_.getExtent() : null;
 
   /**
    * @private
    * @type {Array.<ol.Attribution>}
    */
-  this.attributions_ = goog.isDef(sourceOptions.attributions) ?
-      sourceOptions.attributions : null;
+  this.attributions_ = goog.isDef(options.attributions) ?
+      options.attributions : null;
 
   /**
    * @private
    * @type {string|undefined}
    */
-  this.logo_ = sourceOptions.logo;
+  this.logo_ = options.logo;
 
 };
 goog.inherits(ol.source.Source, goog.events.EventTarget);
diff --git a/src/ol/source/stamensource.js b/src/ol/source/stamensource.js
index abb4afa08b..3f5d33de4c 100644
--- a/src/ol/source/stamensource.js
+++ b/src/ol/source/stamensource.js
@@ -89,7 +89,7 @@ ol.source.STAMEN_ATTRIBUTIONS = [new ol.Attribution(
 /**
  * @constructor
  * @extends {ol.source.XYZ}
- * @param {ol.source.StamenOptions} options Options.
+ * @param {ol.source.StamenOptions} options Stamen options.
  */
 ol.source.Stamen = function(options) {
 
diff --git a/src/ol/source/staticimagesource.js b/src/ol/source/staticimagesource.js
index d788e20fa5..2509d3b526 100644
--- a/src/ol/source/staticimagesource.js
+++ b/src/ol/source/staticimagesource.js
@@ -10,7 +10,7 @@ goog.require('ol.source.ImageSource');
 /**
  * @constructor
  * @extends {ol.source.ImageSource}
- * @param {ol.source.StaticImageOptions} options Options.
+ * @param {ol.source.StaticImageOptions} options Static image options.
  */
 ol.source.StaticImage = function(options) {
 
diff --git a/src/ol/source/tiledwmssource.js b/src/ol/source/tiledwmssource.js
index 852847ab4a..d4d9811e0f 100644
--- a/src/ol/source/tiledwmssource.js
+++ b/src/ol/source/tiledwmssource.js
@@ -15,32 +15,32 @@ goog.require('ol.source.wms');
 /**
  * @constructor
  * @extends {ol.source.ImageTileSource}
- * @param {ol.source.TiledWMSOptions} tiledWMSOptions options.
+ * @param {ol.source.TiledWMSOptions} options Tiled WMS options.
  */
-ol.source.TiledWMS = function(tiledWMSOptions) {
+ol.source.TiledWMS = function(options) {
   var tileGrid;
-  if (goog.isDef(tiledWMSOptions.tileGrid)) {
-    tileGrid = tiledWMSOptions.tileGrid;
+  if (goog.isDef(options.tileGrid)) {
+    tileGrid = options.tileGrid;
   }
 
   var tileUrlFunction = ol.TileUrlFunction.nullTileUrlFunction;
-  var urls = tiledWMSOptions.urls;
-  if (!goog.isDef(urls) && goog.isDef(tiledWMSOptions.url)) {
-    urls = ol.TileUrlFunction.expandUrl(tiledWMSOptions.url);
+  var urls = options.urls;
+  if (!goog.isDef(urls) && goog.isDef(options.url)) {
+    urls = ol.TileUrlFunction.expandUrl(options.url);
   }
   if (goog.isDef(urls)) {
     var tileUrlFunctions = goog.array.map(
         urls, function(url) {
           return ol.TileUrlFunction.createFromParamsFunction(
-              url, tiledWMSOptions.params, ol.source.wms.getUrl);
+              url, options.params, ol.source.wms.getUrl);
         });
     tileUrlFunction = ol.TileUrlFunction.createFromTileUrlFunctions(
         tileUrlFunctions);
   }
 
-  var transparent = goog.isDef(tiledWMSOptions.params['TRANSPARENT']) ?
-      tiledWMSOptions.params['TRANSPARENT'] : true;
-  var extent = tiledWMSOptions.extent;
+  var transparent = goog.isDef(options.params['TRANSPARENT']) ?
+      options.params['TRANSPARENT'] : true;
+  var extent = options.extent;
 
   var tileCoordTransform = function(tileCoord, projection) {
     var tileGrid = this.getTileGrid();
@@ -72,12 +72,12 @@ ol.source.TiledWMS = function(tiledWMSOptions) {
   };
 
   goog.base(this, {
-    attributions: tiledWMSOptions.attributions,
-    crossOrigin: tiledWMSOptions.crossOrigin,
+    attributions: options.attributions,
+    crossOrigin: options.crossOrigin,
     extent: extent,
-    tileGrid: tiledWMSOptions.tileGrid,
+    tileGrid: options.tileGrid,
     opaque: !transparent,
-    projection: tiledWMSOptions.projection,
+    projection: options.projection,
     tileUrlFunction: ol.TileUrlFunction.withTileCoordTransform(
         tileCoordTransform, tileUrlFunction)
   });
diff --git a/src/ol/source/tilejsonsource.js b/src/ol/source/tilejsonsource.js
index 7870c2deec..5abf5b9104 100644
--- a/src/ol/source/tilejsonsource.js
+++ b/src/ol/source/tilejsonsource.js
@@ -42,12 +42,12 @@ goog.exportSymbol('grid', grid);
 /**
  * @constructor
  * @extends {ol.source.ImageTileSource}
- * @param {ol.source.TileJSONOptions} tileJsonOptions TileJSON optios.
+ * @param {ol.source.TileJSONOptions} options TileJSON options.
  */
-ol.source.TileJSON = function(tileJsonOptions) {
+ol.source.TileJSON = function(options) {
 
   goog.base(this, {
-    crossOrigin: tileJsonOptions.crossOrigin,
+    crossOrigin: options.crossOrigin,
     projection: ol.projection.get('EPSG:3857')
   });
 
@@ -61,8 +61,7 @@ ol.source.TileJSON = function(tileJsonOptions) {
    * @private
    * @type {!goog.async.Deferred}
    */
-  this.deferred_ =
-      goog.net.jsloader.load(tileJsonOptions.url, {cleanupWhenDone: true});
+  this.deferred_ = goog.net.jsloader.load(options.url, {cleanupWhenDone: true});
   this.deferred_.addCallback(this.handleTileJSONResponse, this);
 
 };
diff --git a/src/ol/source/tilesource.js b/src/ol/source/tilesource.js
index 6680e3bb43..c3ab1863d1 100644
--- a/src/ol/source/tilesource.js
+++ b/src/ol/source/tilesource.js
@@ -26,30 +26,28 @@ ol.source.TileSourceOptions;
 /**
  * @constructor
  * @extends {ol.source.Source}
- * @param {ol.source.TileSourceOptions} tileSourceOptions Tile source options.
+ * @param {ol.source.TileSourceOptions} options Tile source options.
  */
-ol.source.TileSource = function(tileSourceOptions) {
+ol.source.TileSource = function(options) {
 
   goog.base(this, {
-    attributions: tileSourceOptions.attributions,
-    extent: tileSourceOptions.extent,
-    logo: tileSourceOptions.logo,
-    projection: tileSourceOptions.projection
+    attributions: options.attributions,
+    extent: options.extent,
+    logo: options.logo,
+    projection: options.projection
   });
 
   /**
    * @private
    * @type {boolean}
    */
-  this.opaque_ = goog.isDef(tileSourceOptions.opaque) ?
-      tileSourceOptions.opaque : false;
+  this.opaque_ = goog.isDef(options.opaque) ? options.opaque : false;
 
   /**
    * @protected
    * @type {ol.tilegrid.TileGrid}
    */
-  this.tileGrid = goog.isDef(tileSourceOptions.tileGrid) ?
-      tileSourceOptions.tileGrid : null;
+  this.tileGrid = goog.isDef(options.tileGrid) ? options.tileGrid : null;
 
 };
 goog.inherits(ol.source.TileSource, ol.source.Source);
diff --git a/src/ol/source/wmtssource.js b/src/ol/source/wmtssource.js
index f6da97ed6e..c9b1c15876 100644
--- a/src/ol/source/wmtssource.js
+++ b/src/ol/source/wmtssource.js
@@ -27,32 +27,30 @@ ol.source.WMTSRequestEncoding = {
 /**
  * @constructor
  * @extends {ol.source.ImageTileSource}
- * @param {ol.source.WMTSOptions} wmtsOptions WMTS options.
+ * @param {ol.source.WMTSOptions} options WMTS options.
  */
-ol.source.WMTS = function(wmtsOptions) {
+ol.source.WMTS = function(options) {
 
   // TODO: add support for TileMatrixLimits
 
-  var version = goog.isDef(wmtsOptions.version) ?
-      wmtsOptions.version : '1.0.0';
-  var format = goog.isDef(wmtsOptions.format) ?
-      wmtsOptions.format : 'image/jpeg';
-  var dimensions = wmtsOptions.dimensions || {};
+  var version = goog.isDef(options.version) ? options.version : '1.0.0';
+  var format = goog.isDef(options.format) ? options.format : 'image/jpeg';
+  var dimensions = options.dimensions || {};
 
-  // FIXME: should we guess this requestEncoding from wmtsOptions.url(s)
+  // FIXME: should we guess this requestEncoding from options.url(s)
   //        structure? that would mean KVP only if a template is not provided.
-  var requestEncoding = goog.isDef(wmtsOptions.requestEncoding) ?
-      wmtsOptions.requestEncoding : ol.source.WMTSRequestEncoding.KVP;
+  var requestEncoding = goog.isDef(options.requestEncoding) ?
+      options.requestEncoding : ol.source.WMTSRequestEncoding.KVP;
 
   // FIXME: should we create a default tileGrid?
   // we could issue a getCapabilities xhr to retrieve missing configuration
-  var tileGrid = wmtsOptions.tileGrid;
+  var tileGrid = options.tileGrid;
 
   var context = {
-    'Layer': wmtsOptions.layer,
-    'style': wmtsOptions.style,
-    'Style': wmtsOptions.style,
-    'TileMatrixSet': wmtsOptions.matrixSet
+    'Layer': options.layer,
+    'style': options.style,
+    'Style': options.style,
+    'TileMatrixSet': options.matrixSet
   };
   goog.object.extend(context, dimensions);
   var kvpParams;
@@ -98,9 +96,9 @@ ol.source.WMTS = function(wmtsOptions) {
   }
 
   var tileUrlFunction = ol.TileUrlFunction.nullTileUrlFunction;
-  var urls = wmtsOptions.urls;
-  if (!goog.isDef(urls) && goog.isDef(wmtsOptions.url)) {
-    urls = ol.TileUrlFunction.expandUrl(wmtsOptions.url);
+  var urls = options.urls;
+  if (!goog.isDef(urls) && goog.isDef(options.url)) {
+    urls = ol.TileUrlFunction.expandUrl(options.url);
   }
   if (goog.isDef(urls)) {
     tileUrlFunction = ol.TileUrlFunction.createFromTileUrlFunctions(
@@ -126,8 +124,8 @@ ol.source.WMTS = function(wmtsOptions) {
         var y = -tileCoord.y - 1;
         var tileExtent = tileGrid.getTileCoordExtent(tileCoord);
         var projectionExtent = projection.getExtent();
-        var extent = goog.isDef(wmtsOptions.extent) ?
-            wmtsOptions.extent : projectionExtent;
+        var extent = goog.isDef(options.extent) ?
+            options.extent : projectionExtent;
 
         if (!goog.isNull(extent) && projection.isGlobal() &&
             extent.minX === projectionExtent.minX &&
@@ -147,10 +145,10 @@ ol.source.WMTS = function(wmtsOptions) {
       tileUrlFunction);
 
   goog.base(this, {
-    attributions: wmtsOptions.attributions,
-    crossOrigin: wmtsOptions.crossOrigin,
-    extent: wmtsOptions.extent,
-    projection: wmtsOptions.projection,
+    attributions: options.attributions,
+    crossOrigin: options.crossOrigin,
+    extent: options.extent,
+    projection: options.projection,
     tileGrid: tileGrid,
     tileUrlFunction: tileUrlFunction
   });
diff --git a/src/ol/source/xyzsource.js b/src/ol/source/xyzsource.js
index 186aaa5344..8ee937578d 100644
--- a/src/ol/source/xyzsource.js
+++ b/src/ol/source/xyzsource.js
@@ -33,38 +33,37 @@ ol.source.XYZOptions;
 /**
  * @constructor
  * @extends {ol.source.ImageTileSource}
- * @param {ol.source.XYZOptions} xyzOptions XYZ options.
+ * @param {ol.source.XYZOptions} options XYZ options.
  */
-ol.source.XYZ = function(xyzOptions) {
+ol.source.XYZ = function(options) {
 
-  var projection = xyzOptions.projection ||
-      ol.projection.get('EPSG:3857');
+  var projection = options.projection || ol.projection.get('EPSG:3857');
 
   /**
    * @type {ol.TileUrlFunctionType}
    */
   var tileUrlFunction = ol.TileUrlFunction.nullTileUrlFunction;
   // FIXME use goog.nullFunction ?
-  if (goog.isDef(xyzOptions.tileUrlFunction)) {
-    tileUrlFunction = xyzOptions.tileUrlFunction;
-  } else if (goog.isDef(xyzOptions.urls)) {
-    tileUrlFunction = ol.TileUrlFunction.createFromTemplates(xyzOptions.urls);
-  } else if (goog.isDef(xyzOptions.url)) {
+  if (goog.isDef(options.tileUrlFunction)) {
+    tileUrlFunction = options.tileUrlFunction;
+  } else if (goog.isDef(options.urls)) {
+    tileUrlFunction = ol.TileUrlFunction.createFromTemplates(options.urls);
+  } else if (goog.isDef(options.url)) {
     tileUrlFunction = ol.TileUrlFunction.createFromTemplates(
-        ol.TileUrlFunction.expandUrl(xyzOptions.url));
+        ol.TileUrlFunction.expandUrl(options.url));
   }
 
   var tileGrid = new ol.tilegrid.XYZ({
-    maxZoom: xyzOptions.maxZoom
+    maxZoom: options.maxZoom
   });
 
   // FIXME factor out common code
-  var extent = xyzOptions.extent;
+  var extent = options.extent;
   if (goog.isDefAndNotNull(extent)) {
 
     tileUrlFunction = ol.TileUrlFunction.withTileCoordTransform(
         function(tileCoord) {
-          if (xyzOptions.maxZoom < tileCoord.z) {
+          if (options.maxZoom < tileCoord.z) {
             return null;
           }
           var n = 1 << tileCoord.z;
@@ -87,7 +86,7 @@ ol.source.XYZ = function(xyzOptions) {
 
     tileUrlFunction = ol.TileUrlFunction.withTileCoordTransform(
         function(tileCoord) {
-          if (xyzOptions.maxZoom < tileCoord.z) {
+          if (options.maxZoom < tileCoord.z) {
             return null;
           }
           var n = 1 << tileCoord.z;
@@ -103,10 +102,10 @@ ol.source.XYZ = function(xyzOptions) {
   }
 
   goog.base(this, {
-    attributions: xyzOptions.attributions,
-    crossOrigin: xyzOptions.crossOrigin,
-    extent: xyzOptions.extent,
-    logo: xyzOptions.logo,
+    attributions: options.attributions,
+    crossOrigin: options.crossOrigin,
+    extent: options.extent,
+    logo: options.logo,
     projection: projection,
     tileGrid: tileGrid,
     tileUrlFunction: tileUrlFunction