What does go mean?

Answer 1

Go means to move to a different place or location.

Example: My dog had to go the park before his groomers.

'Go' as in a 'Go' button or control simply works the same as an 'enter' key, or other facilitating command.

Answer 2

Well, go can mean a a couple of things. It can mean leave... as in go away, now, or, hurry up, let's go. It is also the name of a board game.