class vs class structure

class and class structure both are nouns.

Word	Noun	Adjective	Verb	Adverb
class	Yes	No	Yes	No
class structure	Yes	No	No	No

class (noun)	class structure (noun)
education imparted in a series of lessons or meetings	the organization of classes within a society
elegance in dress or behavior
a collection of things sharing a common attribute
people having the same social, economic, or educational status
(biology) a taxonomic group containing one or more orders
a body of students who are taught together
a body of students who graduate together
a league ranked by quality

class (verb)	class structure (verb)
arrange or order by classes or categories