Newbie question... variables

Hey there,
How are you guys doing? Just a coupla quick questions... (apologies if this has been answered a billion and one times already...) What are all the variables used in AVS..? The ones that I can think of off hand are x,y,d,r,v,i ...? Are there any more....? I've noticed people accessing alpha channel variables et.that are not mentioned in the pop up help windows...

question 2: How do you (properly) use the dynamic trans utils..?
question 2: and are there any decent tutorials on the web...?

Mucho obliged,
Polaris

first question: i do like this, i start out with a simple movement, and then i develop it, and then i use diffrent variables to make the movement dynamic

second question: there is a guy (his name's atero) and he is willing to to help newbies avs. you can mail him om therealatero@hotmail.com.

Thanks mate... will do..
erm.. I just realised that I cannot count...
🙄