direction vs subject matter

direction and subject matter both are nouns.

Word	Noun	Adjective	Verb	Adverb
direction	Yes	No	No	No
subject matter	Yes	No	No	No

As nouns, subject matter is a hypernym of direction; that is, subject matter is a word with a broader meaning than direction:

direction: something that provides direction or advice as to a decision or course of action
subject matter: content communicating a message; what something is about

Other hypernyms of direction include content, message, substance.

As nouns, subject matter is a hypernym of direction; that is, subject matter is a word with a broader meaning than direction:

Other hypernyms of direction include content, message, substance.

direction (noun)	subject matter (noun)
the act of managing something	content communicating a message; what something is about
the act of setting and holding a course
a general course along which something has a tendency to develop
the concentration of attention or energy on something
something that provides direction or advice as to a decision or course of action
a formal statement of a command or injunction to do something
a message describing how something is to be done
a line leading to a place or point
the spatial relation between something and the course along which it points or moves