The restaurant is trying to attract more customers, and the new menu is an important 'piece of the puzzle'. [=an important part of what is being done]
Ecologists no longer view different species as independent, but instead see them as pieces of the same 'jigsaw puzzle'.
His strange behavior is a 'puzzle' to his friends. [=his friends don't understand the reason for his strange behavior]
(..) but you can not tell me that at least Where are we going? I have come to me here for the bathroom? Banda you do not wash the body in the holy lake of tears ... Lake revealed here (Togo) puzzle harmony and focus born here, where Kung Fu Want to learn Kung Fu? Yes if I am teacher Well (..)2008 Kung Fu Panda