Title Targeting your ads - AdWords Help
Text Targeting ads is an essential part of a successful advertising campaign. You may have designed the perfect ad, but you'll need to show it to the right people at the right time to better reach your goal. AdWords offers different ways of targeting your ads.
Existing ad groups without targeting will be automatically paused as a one-time exception to ensure they don't run ads you don't intend to show. Going forward, manually pause ad groups that aren’t ready to show ads. Learn more at Pause or resume your ad groups
For video ad groups using placement targeting only : If you’re targeting placements solely on YouTube or the Display network, your ads will now be eligible to run on both.
If you run a dog daycare center in San Francisco, California, you could add the keyword "doggie daycare," and "San Francisco and nearby cities," as the target location for your AdWords campaign. Then, when people in San Francisco type "doggie daycare" on Google, they could see your ad next to the search results.
If your business sells costumes, you could add the keyword "buy costumes" and the topic "Hobbies & Leisure > Special Occasions > Holidays & Seasonal Events," to target your image ad at iPhones or Android devices. Then, people could see your image ad when they use their Android phones to visit sites on the Display Network that have information about buying costumes, Halloween or Mardi Gras.