A more thorough explanation:

Definition:

Take back (verb) means to revoke or retract something that has been said or done.

Examples:

• After realizing his mistake, he decided to take back his harsh words.
• The company had to take back the defective product and issue a refund to the customer.

Explanation: The term "take back" is used when someone wants to undo something they have said or done. In the first example, a person regrets saying something hurtful and decides to take back their words. In the second example, a company has to take back a product that is not functioning properly and give the customer their money back. Both examples illustrate the act of revoking or retracting something.