Definitions

1. noun

A function or a method that is called after a certain event has occurred.

“The developer will add a callback function to handle the user’s input.”

2. noun

A telephone call made to someone, especially a customer, to ask for their opinion or to discuss a product or service.

“The company made several callbacks to their customers to gather feedback.”

3. verb

To call someone back, especially to discuss a matter or to apologize.

“The manager will callback the customer to resolve the issue.”