The phrase "to take back" means to regain possession or control over something that was previously given, sold, loaned or taken away. It can also refer to expressing regret for a decision or action and wanting to reverse it. For example, if someone says they want to take back their words, it means they wish to retract what they said and no longer stand by those statements. Similarly, if an item is returned because the customer didn't like it, the store may say that they are taking back the product.