need help please

[#1]

how does all this gaming work, as you can tell new to this and dont know where to begin, do we have to join, how does it work, got x box 360 live

[#2]

Welcome to the forum,
Not sure what you need help with? Have a read of this.
http://en.wikipedia.org/wiki/Xbox_Live

[#3]

You plug the console into the TV, you insert a game into the console and use the controller to control your character.