This is probably a dumb question but what exactly are scripts for? do i need them? and if so how do i make them?

Scripts are entire sections of code parsed and processed by the game engine. They affect absolutely everything in the game, from the map programming to the battle system. They are written in RGSS (RGSS2 in case of VX) which is a variant of Ruby.

Do you need them ? Probably yes. Though it's possible to create a game with only default scripts, they are mandatory if you want to perform heavy modifications.

How do you make them ? Open the script editor and write. Of course, you need to learn the language first. RMVX help file can help you, but not as much as this site: http://www.ruby-lang.org.

Can you tell the "Simple basic" ? I 'm still new in RMXP

Oh ok. Thanks

Scripting allows you to go beyond the actual limits of just the database which therefor being able to create a large variety of creations... this was also created *in theory so they don't have to keep updating it and start working on a new project FYI: Indie Game Maker and have more time for these creations.