Snippets are the little shortcuts available in Visual Studio for all the different languages. Here's a well known C# code snippet in action: It just shows up in Intellisense and when you hit TAB, it folds out into this...

Due to the brand new HTML editor in Visual Studio 2013, static HTML files no longer has the Design|Split|Source options enabled by default. That’s because the new HTML editor is the default editor for all HTML files with...