difference between prefab and gameobject in listening event

Questions & Answers
1

i am new to unity and i want to know what difference between prefab and game object in listening event.
in other word why some users use prefab in their button instead of game object.

2

Same difference between a Blue-print and final copy. You can use prefab to create or “instantiate” a gameobject… but as such, a prefab is not there in your scene.