S.M.A.R.T. is an acronym of 'Small Medium Area Repair Technique'.  By repairing only the damaged area, and not respraying whole body panels, smart repair is the idea solution to scuffs on bumpers and wings and other minor damage which doesn't require panel replacement.

At some point most cars pick up damage of some sort. Scratches and chips in your car's paintwork can significantly decrease it's value, but worst of all, any kind of break in the paintwork will eventually lead to rust.  The prevention of corrosion is in itself a solid reason to have any damage repaired.