Final answer:
The term 'dialect' refers to the specific language usage of a region or social group, and when literature uses phrasing and spelling it is to convey the dialect of the characters.
Step-by-step explanation:
“Sweat” used both phrasing and spelling to express the dialect of the characters. Dialect refers to the use of language specific to a particular region or social group, which can include unique words, phrases, and spellings. Portraying dialect in literature often provides insight into the characters' cultural backgrounds, social standing, and regional identities.
It is different from terms such as intelligence, which might refer to analytical or practical skills; education, which is related to the level of formal learning and knowledge a character might have; and temperament, which encompasses inborn personality traits like conscientiousness, agreeableness, and introversion-extroversion.