Click Count
Shows you the ranks of in-page elements determined by the number of clicks.
Unique Click
Unique click is equal to a click from a single user. Unique clicks are measured with an aggregate number of how many times that element is clicked by individual users. Duplicate clicks by a single user do not affect the total. Page elements are displayed in the order of this "unique click" counts, demonstrating the number of PV occurred by clicks on an element.