Animation clips are one of the core elements of Unity’s animation system. Unity supports importing animation from external sources. You can create animation clipsAnimation data that can be used for animated characters or simple animations. It is a simple “unit” piece of motion, such as (one specific instance of) “Idle”, “Walk” or “Run”. More info
See in Glossary with the Animation window.
You can import the following types of Animation clips from external sources:
You can also create and edit animation clips in Unity’s Animation window. These clips can animate: