diff --git a/http/http.d.ts b/http/http.d.ts
index 660eec6f4..e6b07ca32 100644
--- a/http/http.d.ts
+++ b/http/http.d.ts
@@ -1,17 +1,47 @@
-
-declare module "http" {
+declare module "http" {
     import image = require("image-source");
     import promises = require("promises");
 
+    /**
+    * Downloads the content from the specified URL as a string.
+    * @param url The URL to request from.
+    */
     function getString(url: string): promises.Promise<string>
+
+    /**
+    * Downloads the content from the specified URL as a string.
+    * @param options An object that specifies various request options.
+    */
     function getString(options: HttpRequestOptions): promises.Promise<string>
 
+    /**
+    * Downloads the content from the specified URL as a string and returns its JSON.parse representation.
+    * @param url The URL to request from.
+    */
     function getJSON<T>(url: string): promises.Promise<T>
+
+    /**
+    * Downloads the content from the specified URL as a string and returns its JSON.parse representation.
+    * @param options An object that specifies various request options.
+    */
     function getJSON<T>(options: HttpRequestOptions): promises.Promise<T>
 
+    /**
+    * Downloads the content from the specified URL and attempts to decode it as an image.
+    * @param url The URL to request from.
+    */
     function getImage(url: string): promises.Promise<image.ImageSource>
+
+    /**
+    * Downloads the content from the specified URL and attempts to decode it as an image.
+    * @param options An object that specifies various request options.
+    */
     function getImage(options: HttpRequestOptions): promises.Promise<image.ImageSource>
 
+    /**
+    * Makes a generic http request using the provided options and returns a HttpResponse Object.
+    * @param options An object that specifies various request options.
+    */
     function request(options: HttpRequestOptions): promises.Promise<HttpResponse>;
 
     interface HttpRequestOptions {
@@ -31,6 +61,7 @@ declare module "http" {
     interface HttpContent {
         raw: any;
         toString: () => string;
+        // TODO: Isn't parseJSON better naming? toJSON sounds to me like we will return a string object
         toJSON: () => any;
         toImage: () => image.ImageSource;
     }
diff --git a/http/http.impl.ts b/http/http.impl.ts
index 743b2a097..028bc977a 100644
--- a/http/http.impl.ts
+++ b/http/http.impl.ts
@@ -6,9 +6,6 @@ import request = require("http/http-request");
 declare var exports;
 require("utils/module-merge").merge(request, exports);
 
-/**
-* Gets string from url.
-*/
 export function getString(arg: any): promises.Promise<string> {
     var d = promises.defer<string>();
 
@@ -19,9 +16,6 @@ export function getString(arg: any): promises.Promise<string> {
     return d.promise();
 }
 
-/**
-  * Gets JSON from url.
-  */
 export function getJSON<T>(arg: any): promises.Promise<T> {
     var d = promises.defer<T>();
 
@@ -32,10 +26,6 @@ export function getJSON<T>(arg: any): promises.Promise<T> {
     return d.promise();
 }
 
-/**
-  * Gets image from url.
-  */
-
 export function getImage(arg: any): promises.Promise<image.ImageSource> {
     var d = promises.defer<image.ImageSource>();
 
diff --git a/local-settings/local-settings.d.ts b/local-settings/local-settings.d.ts
index 92568d0e4..076bae544 100644
--- a/local-settings/local-settings.d.ts
+++ b/local-settings/local-settings.d.ts
@@ -1,72 +1,56 @@
 
 declare module "local-settings" {
     /**
-    * report does such key exist
+    * Checks whether such a key exists.
+    * @param key The key to check for.
     */
     var hasKey: (key: string) => boolean;
 
     /**
-    * gets value of the key as boolean, user can provide default value in case there is no value for the key
+    * Gets a value (if existing) for a key as a Boolean Object. A default value can be provided in case there is no existing value.
+    * @param key The key to check for.
+    * @param defaultValue An optional value to be returned in case there is no existing value.
     */
     var getBoolean: (key: string, defaultValue?: boolean) => boolean;
 
     /**
-    * gets value of the key as string, user can provide default value in case there is no value for the key
+    * Gets a value (if existing) for a key as a String Object. A default value can be provided in case there is no existing value.
+    * @param key The key to check for.
+    * @param defaultValue An optional value to be returned in case there is no existing value.
     */
     var getString: (key: string, defaultValue?: string) => string;
 
     /**
-    * gets value of the key as string array, user can provide default value in case there is no value for the key
-    */
-    var getStringArray: (key: string, defaultValue?: string[]) => string[];
-
-    /**
-    * gets value of the key as number (double), user can provide default value in case there is no value for the key
+    * Gets a value (if existing) for a key as a Number Object. A default value can be provided in case there is no existing value.
+    * @param key The key to check for.
+    * @param defaultValue An optional value to be returned in case there is no existing value.
     */
     var getNumber: (key: string, defaultValue?: number) => number;
 
     /**
-    * gets value of the key as integer, user can provide default value in case there is no value for the key
-    */
-    var getInt: (key: string, defaultValue?: number) => number;
-
-    /**
-    * gets value of the key as long integer (not fully supported by JS), user can provide default value in case there is no value for the key
-    */
-    var getLong: (key: string, defaultValue?: number) => number;
-
-    /**
-    * sets value for a key as boolean
+    * Sets a Boolean Object for a key.
+    * @param key The key.
+    * @param value The value.
     */
     var setBoolean: (key: string, value: boolean) => void;
 
     /**
-    * sets value for a key as string
+    * Sets a String Object for a key.
+    * @param key The key.
+    * @param value The value.
     */
     var setString: (key: string, value: string) => void;
 
     /**
-    * sets value for a key as string array
-    */
-    var setStringArray: (key: string, value: string[]) => void;
-
-    /**
-    * sets value for a key as JS number (double)
+    * Sets a Number Object for a key.
+    * @param key The key.
+    * @param value The value.
     */
     var setNumber: (key: string, value: number) => void;
 
     /**
-    * sets value for a key as integer
-    */
-    var setInt: (key: string, value: number) => void;
-
-    /**
-    * sets value for a key as long integer
-    */
-    var setLong: (key: string, value: number) => void;
-
-    /**
-    * removes a value for key
+    * Removes a value (if existing) for a key.
+    * @param key The key to check for.
     */
     var remove: (key: string) => void;
 }
\ No newline at end of file
diff --git a/timer/timer.d.ts b/timer/timer.d.ts
index a731cecd6..970f9a80e 100644
--- a/timer/timer.d.ts
+++ b/timer/timer.d.ts
@@ -1,7 +1,25 @@
 /**
-  * Timer functions.
-  */
+* Calls a function after a specified delay.
+* @param callback The function to be called.
+* @param milliseconds The time to wait before the function is called. Defaults to 0.
+*/
 export declare function setTimeout(callback: Function, milliseconds?: number): number;
+
+/**
+* Clears the delay set by a call to the setTimeout function.
+* @param id The identifier returned by the previously called setTimeout() method.
+*/
 export declare function clearTimeout(id: number): void;
+
+/**
+* Calls a function repeatedly with a delay between each call.
+* @param callback The function to be called.
+* @param milliseconds The delay between each function call.
+*/
 export declare function setInterval(callback: Function, milliseconds?: number): number;
+
+/**
+* Clears repeated function which was set up by calling setInterval().
+* @param id The identifier returned by the setInterval() method.
+*/
 export declare function clearInterval(id: number): void;