Are you curious about square bracket use and when it's appropriate to add to your writing? Take a look at how this punctuation mark is used, along with examples.

Various forms of brackets are used in mathematics, with specific mathematical meanings, often for denoting specific mathematical functions and subformulas. Angle brackets or chevrons …

Apr 26, 2025 · Square brackets are a pair of punctuation marks - written as [ ] - used to enclose material that is not part of the surrounding text. In American English they are usually called …

Brackets are punctuation marks used in pairs for a variety of reasons but most commonly to add a clarification. There are four common types of bracket: parentheses (), square brackets [], …

My comments are in square brackets. Square brackets [ and ] indicate that the enclosed element is optional.

Brackets are symbols that we use to contain "extra information", or information that is not part of the main content. Brackets always come in pairs—an "opening" bracket before the extra …

2 days ago · Square brackets are used, usually in books and articles, when supplying words that make a quotation clearer or that comment on it, although they were not originally said or written.