The options of the question are,
1.- manning of expressing ideas in words.
2.- worn out by use.
3.- words or phrases usually characterized by special vividness or coloring
4.- used in everyday informal talk, but not in formal English.
5.- stiffly dignified of formal.
6.- not definitely or precisely expressed.
a) slang
b) stilted
c) vagued
d) colloquial
e) trite
f) diction
The correct answers are,
1.- manning of expressing ideas in words: diction.
2.- worn out by use: trite.
3.- words or phrases usually characterized by special vividness or coloring: slang.
4.- used in everyday informal talk, but not in formal English: colloquial.
5.- stiffly dignified of formal: stilted.
6.- not definitely or precisely expressed: vague.
These concept san expressions refer to the good use of language. It is very important to use the correct words to convey our message. Depending of the situation, the people we are with, the social environment, we must use the correct word and the correct expression.