You can use a colon to draw attention to many things in your writing. The categories listed below often overlap, so don’t worry too much about whether your intended use of the colon fits one category …
Semicolons (;) separate independent clauses that are related in meaning, and they separate items in a list when those items themselves are long or include commas. For example, this summary could say …
Learn how and when to use semicolons (;), colons (:), commas (,), and dashes (–) to make your writing more effective.
use something (up) We've used (up) nearly all of the bread - will you buy some more? Does she still use drugs? Don't worry if you use the shampoo up (= use all of it) - I'll get more tomorrow.
The colon ( : ) and semicolon ( ; ) are frequently used incorrectly in place of each other. The two punctuation marks serve very different purposes, and should not be used interchangeably. A colon is …
As a noun use means "purpose." As a verb, use means either "put to work," or "work something until there isn't anything left," unless you use your friend, meaning you exploit her.
When to Use a Semicolon vs Colon, Comma, and Em Dash ...