Analogy

Second is a measure of the boundary of the first.

First is meant for the second.

Second describes the nature of the first.

An artist makes paintings; a senator makes laws. The answer is not choice a because an attorney does not make laws and a senator is not an attorney. Choice c is incorrect because a senator is not a politician. Constituents (choice d) is also incorrect because a senator serves his or her constituents.

Secretly is the opposite of openly, and silently is the opposite of noisily. Choices a and b are clearly not the opposites of silently. (Choice d) means the same thing as silently.

First is the face or front view of the second.

Sun gives us Light in same way Fire gives us Heat.

To be phobic is to be extremely fearful; to be asinine is to be extremely silly.

Second is the movement of the first.

Second is a bigger form of the first.