Concept artists create amazing visual images of ideas for use in areas such as animation, comic book illustration, gaming, advertising, print, and several others! 
What does it mean? It means they have mastered the art of using paint, pencils, software programs, or whatever it takes to draw weapons, vehicles, environments, graphics, or the characters needed for any given project. They are some on the most creative and imaginative people in the world!
        
             
        
        
        
No but I think I have a friend who does
        
                    
             
        
        
        
D: Circuit 
A device that uses electricity to perform a task is called a(n) (electrical) circuit.
        
             
        
        
        
Answer: Props are smaller and can be handled and used by the actors.
Explanation:  if an item is written into the script, required for an action, or utilized by an actor, it is a prop. All other items on-set are considered part of the dressing, from the chairs and desks to the paintings and drapes