What does to put stamp on sth mean?

The phrase "to put a stamp on sth" has two primary meanings:

1. Physically Applying a Postage Stamp:

- If you "put a stamp on something," you are literally affixing a postage stamp to an item, usually a letter or package, in order to pay for its delivery.

2. Giving a Distinct Quality or Characteristic:

- In a figurative sense, "putting a stamp on something" means impressing or leaving a lasting mark or characteristic upon it. It implies influencing, shaping, or defining something with a particular quality.