What can be learned from a Search Funnel?
- A) Search impressions share for the last 30 days compared to CPC trends over time.
- B) Budget usage for all Search Campaigns, including budget limitations and opportunities for more traffic.
- C) The number of searches completed during a given period of time.
- D) The series of steps a customer takes before completing a conversion, including information on ads, clicks, and other elements of your campaign.
Explanation: Think of them as passages (or funnels) through which your customers complete a conversion.
You can read more here: https://support.google.com/partners/answer/1722023?hl=en