Which term refers to a keyword that represents an action or modifies an action, typically a verb or adverb?

• A. Parameter
• B. Keyword
• C. Function
• D. Operator

Answer: (D)

An operator is the element that performs an action on values in code. It signals what operation to carry out—addition, subtraction, comparison, logical conjunction, and so on. For example, the plus symbol takes two numbers and produces their sum, while a logical operator combines boolean values. This directly matches the idea of representing an action or modifying how data is handled.

A parameter is simply a value you pass into a function, not the symbol that performs an action. A keyword is a reserved word that defines syntax or structure in the language, not the action itself. A function is a callable block that executes a task, but it’s a larger construct, not the shorthand that denotes an operation on data. Thus, the term that best fits “a keyword that represents an action or modifies an action” is operator.