Purpose of the writer what's the term?

In composition, the term purpose refers to a person's reason for writing, such as to inform, entertain, explain, or persuade. Also known as the aim or writing purpose.

postive, comparative, superlative - good, better, best

recall how we defined nouns as words capable of having plurals and possessive endings. adjectives (and their first cousin, the adverb) also have a feature that distinguishes them. they come in three states. first, the raw adjective—in its positive state—merely describes the noun modified; it doesn’t care about how this particular person or thing stacks up against other members of the same noun class

yeah it is i have the dark knight