1. You can create a new preform in the Assets Prefab Create menu
2, direct the game by dragging objects into the Project panel
A preformed into the preform a game object (instance, Instaance) and into the scene, this process is called instantiation (lnstaantiate)
becomes preform game objects are shown in blue in the text Hierarchy panel
for an instantiated preform modified example of the effect does not cause other
examples of preform ordinary objects in an upper portion of the panel is not Inspection (the select) (the Revert) (the Apply)
the select preform can be selected as examples of the original header, Revert example can revoke modifications, back to the initial state
click Apply changes can be reflected in the preform, the preform will be other modifications, other properties separately provided on the instance, its properties will not change, no coverage.
"Apply Changes To Prefab" GameObject menu and click 'Apply' the same effect as, "Break Prefab Instance", the instance will not be reflected above the preforms.