art vs draftsmanship

art and draftsmanship both are nouns.

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

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

art (noun)	draftsmanship (noun)
the creation of beautiful or significant things	the creation of artistic pictures or diagrams
the products of human creativity; works of art collectively
a superior skill that you can learn by study and practice and observation
photographs or other visual representations in a printed publication