By the title, I thought it might be referring to something like the esolang Befunge (https://en.wikipedia.org/wiki/Befunge https://en.wikipedia.org/wiki/Befunge

By the title, I thought it might be referring to something like the esolang Befunge (https://en.wikipedia.org/wiki/Befunge https://en.wikipedia.org/wiki/Befunge), which operates on a grid rather than the usual linear sequence of instructions.