Using contextual targeting, advertiser can place their ads on relevant place; they just have to give the keywords. AdWords finds the best places for your ad across the Google Display Network,
based on your keywords. This can help you show your ad to an audience that’s interested in your business and more likely to take action.
Example: If you own a sports website, then by contextual advertising you can show your advertisement to all webpage related to sports. By this way you can show your ads to all sports lovers.