triangle vs drafting instrument

triangle and drafting instrument both are nouns.

Word	Noun	Adjective	Verb	Adverb
triangle	Yes	No	No	No
drafting instrument	Yes	No	No	No

As nouns, drafting instrument is a hypernym of triangle; that is, drafting instrument is a word with a broader meaning than triangle:

triangle: any of various triangular drafting instruments used to draw straight lines at specified angles
drafting instrument: an instrument used by a draftsman in making drawings

triangle (noun)	drafting instrument (noun)
a percussion instrument consisting of a metal bar bent in the shape of an open triangle	an instrument used by a draftsman in making drawings
any of various triangular drafting instruments used to draw straight lines at specified angles
a three-sided polygon
something approximating the shape of a triangle