Unique Click

A unique click is a click associated with a single Internet Protocol (IP) address or computer.

This means that no matter how many times a user clicks on your ads, it will only be registered once as a unique click. This is especially important to prevent fraudulent activity.

For obvious reasons, unique clicks are much more valuable than gross clicks or hits.

To learn more about the differences between various click types, read this:

What is the difference between gross clicks and clicks