art vs drafting

art and drafting both are nouns.

Word	Noun	Adjective	Verb	Adverb
art	Yes	No	No	No
drafting	Yes	No	No	No

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

art (noun)	drafting (noun)
the creation of beautiful or significant things	the creation of artistic pictures or diagrams
the products of human creativity; works of art collectively	writing a first version to be filled out and polished later
a superior skill that you can learn by study and practice and observation	the craft of drawing blueprints
photographs or other visual representations in a printed publication