Whenever you create an assignment, you can attach geographic, browser/OS, and keyword targets that will alter the priority of your assignment depending on if there is a match with one of your targets.

Geographic targets must be created before you can attach them to an assignment. To create a geographic target, you will need to navigate to "Targets" in the left-hand navigation menu and create one from there.

Platform targets will look for a device or browser match to increase assignment priority. These can be created directly within an assignment, or choose from a pre-existing target. Read more about platform targeting ...

Keyword targets can be used in many ways and provides a very valuable method to directing certain ads to specific areas of a website or audience. Read more about keyword targeting basics ...