What are parentheses or brackets?
Brackets are punctuation marks used in pairs to set apart or interject text within other text. In the United States, "bracket" sometimes refers specifically to the square or box type.There are four main types of brackets:round brackets, open brackets or parentheses: ( )square brackets, closed brackets or box brackets: [ ]curly brackets, squiggly brackets, swirly brackets, braces, or chicken lips: { }angle brackets, diamond brackets, cone brackets or chevrons: < > or ⟨ ⟩