[Konstantinos]

All of your questions can be answered by reading the SAMP Wiki:

Quote:

Originally Posted by Le3aT what is Variables ... ? WHEN TO USE IT ?

"A variable is basically a bit of memory, it's where data is stored and can be changed and read as required."

Quote:

Originally Posted by Le3aT I think it's used by "new", Why do we use "new" in variables ?

"new declares a new variable"

Quote:

Originally Posted by Le3aT Why not "Define" ?

"#define is a text replacement directive, wherever the first symbol of the define is found the rest of it will be placed."