Which of the following is an important rule regarding colon usage?
A. A colon can't be used in a question.
B. A colon only introduces a list.
C. A colon points to an idea in an earlier sentence.
D. The words coming before the colon must form a complete sentence.
B. A colon only introduces a list. Colons denote "that is to say" or "here's what I mean." They make sentences’ first parts not important rather the sentence’s second part contains the important information. Here are some of the rules you could use for colons:
*Colons are uses upon introducing items.
*Do not use capital letters after a colon except if it’s a proper noun.
*Do not use colons after a verb or preposition.
*For independent clauses, especially when the second sentence explains the paragraph’s meaning, the use of colon is preferred. *After a colon: capitalize the first letter of the first word if it is a complete quotation.