0 a measurement of the number of people looking at an item or a page on the internet who then follow a link (= a connection between documents) to another page or website:
1 the number of people who click on an advertisement on a website to go to another website, compared to the total number of people who saw the advertisement:
We can complete it step by step however long the road is and it can't be completed however short the road is if you don't even mark your footprint.