If you have a campaign where there are multiple keywords in the same adgroup, it may be useful to know you can actually have a keyword which has its own url. This will override the ads final url.
The way this might look is: 10 keywords in the same adgroup and all traffic being directed to a relevant landing page. You might have one keyword which might be more relevant going to a different page. You can then set a keyword level URL for that keyword by following the above video.