VFX is an abbreviation for visual effects, which is a process that uses computers to create images for film and entertainment. VFX can be used to create environments, objects, creatures, and people. 

Music production is the process of creating a song or piece of music, from start to finish. It includes writing, recording, editing, mixing, and mastering. 

Film production is the process of creating a movie from an idea to its release. It's a collaborative process that involves many people and stages.