Gui tweening positions ?

wait(3.50)
script.Parent:TweenPosition(UDim2.new(0.04,0,0.43,0),"Out",2) --if i put 2 it moves bounces a bit back and moves back
wait(3.50)
script.Parent:TweenPosition(UDim2.new(0.04,0,0.43,0),"Out",1)-- if i put 1 it just moves in and stays there

How do i understand what is Out Quad and etc. Someone pls explain ? the wikis are kinda confusing for me. I want to make my guis bounce n stuff like dat.

wait(3.50)
script.Parent:TweenPosition(UDim2.new(0.04,0,0.43,0),"Out","Quad",2)
wait(3.50)
script.Parent:TweenPosition(UDim2.new(0.04,0,0.43,0),"Out","Quad",1)