1. Remembrance of what has been heard, seen, or otherwise, experienced, such as that of an advertisement, commercial, or demonstration.


2. Removal or withdrawal of a contaminated or defective good from sale by its manufacturer or producer, either voluntarily or when forced by a watchdog agency.  Sometimes a good is recalled after it has been sold, for rectification, exchange or refund.


3. Revocation of a judgement on a question of fact or a question of law.