ordering vs layout

ordering and layout both are nouns.

Word	Noun	Adjective	Verb	Adverb
ordering	Yes	No	No	No
layout	Yes	No	No	No

As nouns, layout is a hyponym of ordering; that is, layout is a word with a more specific, narrower meaning than ordering:

Other hyponyms of ordering include rank order, grading, scaling, sequence, succession, alphabetisation, alphabetization.

ordering (noun)	layout (noun)
the act of putting things in a sequential arrangement	the act of laying out (as by making plans for something)
logical or comprehensible arrangement of separate elements	a plan or design of something that is laid out