You can use Keyword Planner to identify:
- A) the number of negative keywords you should add
- B) the amount of traffic potential keywords might get
- C) which text ads are performing best based on your keywords
- D) webpages where your ad can appear based on your keywords
Explanation: A tool that provides keyword ideas and traffic estimates to help you build a Search Network campaign.
Read more here: https://support.google.com/adwords/answer/3114286?hl=en