Welcome, MVD. I would just call what you describe organizing, though I suppose simplifying might work just as well. Here's what thesaurus.com gave me; maybe one of the alternates would suit you better: Main Entry: organize
Part of Speech: verb
Definition: arrange, systematize
Synonyms: adapt, adjust, be responsible for, catalogue, classify, codify, combine, compose, constitute, construct, coordinate, correlate, create, dispose, establish, fashion, fit, form, formulate, frame, get going, get together, group, harmonize, lick into shape, line up, look after, marshal, methodize, mold, pigeonhole, put in order, put together, range, regulate, run, see to, set up, settle, shape, standardize, straighten, straighten out, tabulate, tailor, take care of, whip into shape