Update for 23-02-22 15:00

tech/asp.net.wiki

@@ -18,7 +18,28 @@ For some controller, XYZController, the base, or Index() of the controller, can
 be accessed via mysite.com/XYZ. For other methods on the site, such as create, one must call
 mysite.com/XYZ/Create. This applies for all methods in the Controller class
 following signature `public IActionResult MyCustomMethod()`. These usually
-end with a `return View()`
+end with a `return View()`. These methods are called Actions or Action Methods.
+
+== Controllers ==
+
+=== Return types ===
+
+* `View()`
+  * Returns the associated view
+  * Can be passed a model for data to be parsed by the view
+* `RedirectToAction("Index")`
+  * Redirects user to some page
+  * Page is specified via the name of the Function as the Paramater
+
+=== Action paramaters ===
+
+Each action can take paramaters. These paramaters are URL paramaters and
+their names match those sent in the URL. For example,
+
+`public IActionResult MyAction(string name)` would take the paramater
+`somesite.xyz/SomeController/MyAction?name=some_name_string`. In the controller,
+the passed in arguments `name` would hold value `some_name_string` in this
+instance.
 
 == Views ==