Which of the following best describes an operator?
◦ An operator allows you to perform operations on one or more pieces of data.
◦ An operator is a rule that must be followed when constructing a program.
◦ An operator is a symbolic name that refers to a variable.
◦ An operator marks the beginning or ending of a statement, or is used to separate items in a list.
◦ An operator is a word that has a special meaning.