Differences between sig shots and gtm 's

Hi i was using the ayiep nba live editor 2.3 in the playing style section and i wanted to know whats differences between sig shot, gtm shot, and go to moves and there values in numbers im trying fix shots the players have

Signature Shots refer to the shooting animations on jumpshots. Go To Moves are special moves that players can perform when they're in the right position.

What about the celebrate tool on the player style section