What is the AdWords related term for the following?

"The total number of unique users who will be served your ad over a specific period of time"

Negative keywords cannot be applied to a whole Ad group?

Why is the Actual cost-per-click (CPC) sometimes less than the CPC you have specified for a keyword?

Is it possible to set a maximum CPC (cost per click) at the Ad group level?

At which level may a daily budget be set?

If you run out of characters in your AdWords ad, the display URL field can be used as another line of ad text.

What will happen if you don't select a keyword specific bid?

Surrounding your keyword phrase in quotes, such as 'tennis shoes' will result in which type of keyword?

In remarketing campaigns, what is the default membership duration?

What setting limits the number of times your ads appear on the Google Display Network to a unique user?

Where do ads with placement selection appear?