GFX means "Graphic". GFX are high-quality images with cool graphics if seen

You can make GFX with Blender or Cinema 4D. I usually use Blender for make GFX. (However Blender can only downloaded on PC). Usually i make Roblox GFX but up to you, you can make building GFX, Retro GFX, and more. For tutorial, you can see on Youtube. There are so many tutorials for make cool GFX!