Basically I'm tired of seeing A PLAYER running around Los Santos using guns so often that they're practically part of their body, and still not knowing what the fuck any of the terminology they're using means. If you're going to roll around and kill people all day, at least know what the fuck you're talking about at the most basic level.
Clips vs Magazines: You can sometimes use CLIPS to help you... load CARTRIDGES into a MAGAZINE:
Watch this to know what is CARTRIDGE
This is a bullet: This is a cartridge: