Design exploration leads towards ideal solution

Typical design scenario there is kind of product specification which need to be addressed in form of various concepts. Each concept is evaluated in terms of various design criteria which satisfy initial product specification set. Often during NPD process people tend to forget there initial product specification and carried away by concept flow.Thus need of concrete problem statement arises, stating problem correctly is 50% job done.
while design exploration you need to play around your requirement and based on criteria you choose your solution. this are some of example sheet of design exploration of consumer electronics.