sentences: if something is required to create something else then that something is needed to make that something else
docs: need is necessity. creation is artifact. change is when_one_thing_becomes_another_thing. space is what_between_else. creating_artifact is creation_event. creating_from_raw_materials is creation. putting_onto_else is putting. piece is creation. making is creating_artifact. placing_pattern_piece is putting_onto_else.