What is the definition of the word meter (in music)?

In "thirty are better than one" 1963 by andy warhol describe to what degree this image depicts rhythm or pattern

Suppose that you are in a room with 3 doors and a crack in the ceiling for light. that is all. the doors each have a sign on them that says what there is behind them. door #1. a pool of corrosive acid. door #2. a crocodile that hasn't eaten in 8 months. door #3. a solar "oven". a giant lens that focuses all the sunlight at the entrance of the door. you must choose a door, which door do you choose?

What is the difference between how fauvists and cubists use color in their art