What does the term "Operator" mean?

A type of action or procedure which produces a new value from zero or more input values, called operands.

There are several types of operator:

• Arithmetic operator
• Array operator
• Assignment operator
• Comparison operator
• Bitwise operator
• Increment/decrement operator
• Logical operator
• String operator
• Type operator

And these types can be categorised into the following:

• Urnary operator
• Binary operator
• Ternary operator
• Relational operator
• Compound operator