Correct option is C
The correct answer is (c) braces.
• The symbol "{ }" is commonly referred to as "braces."
• Braces are used in mathematics, programming, and other contexts to group or enclose multiple items.
Meanings of other options:
• (A) "Square" – Refers to the symbol "[ ]" and is not the correct term for "{ }."
• (B) "Round" – Refers to the symbol "( )" and is not correct for "{ }."
• (D) "One" – Incorrect term for the symbol "{ }."