括弧

ひらがな

かっこ

noun

a parenthesis; a bracket (either of a pair of brackets ( )) / (by extension) a bracket (generically any of "(", ")", "[", "]", "{", "}", "<" and ">")

Important information is included in the parentheses of this sentence.

意味（1）

a parenthesis; a bracket (either of a pair of brackets ( ))

意味（2）

(by extension) a bracket (generically any of (, ), [, ], {, }, < and >)