A Google Ads account is organized in the following hierarchy: • Campaign- At Ad Campaign level you set up objectives, spend plan and goals. Each Campaign is identified by a Campaign ID. • Ad Group- A Campaign may contain one or more Ad Groups. Think of Ad Groups as giving themes to a campaign. Ad Groups are identified by an Ad Group ID. • Ads- Each Ad Group has multiple Ads associated with focusing on targeting keywords and is identified by a unique Ad ID. An Account can have up to 10,000 Campaigns (Active or Paused), a Campaign can have up to 20,000 Ad Groups, and an Ad Group can have up to 50 text Ads or 300 image gallery Ads.