How to group blocks of code in Sublime Text so they can be collapsed?

Question

Sublime Text

Hello. How can you select a piece of code in Sublime Text 2 and tell the editor that this piece of code can be folded as if it were the scope of, for example, a function? That is, for example, I have ten lines of constant declarations, and five declarations of variables, I want to hide them.

Answer 1

Hotkeys:
And you can use the mouse: