An impression is counted each time your ad is shown on a search result page or other site on the Google Network. Note: If your ad or keywords aren't receiving enough impressions, read Issues with fluctuating impressions. Each time your ad appears on Google or the Google Network, it's counted as one impression.

Queries in Google Search Console refer to the specific search terms or keywords that users enter into the search engine and subsequently land on your website. They provide valuable insights into what people are searching for and how your site is performing in relation to those queries.

Impressions: The number of times any URL from your site appeared in search results viewed by a user, not including paid Google Ads search impressions. Clicks: The number of clicks on your website URLs from a Google Search results page, not including clicks on paid Google Ads search results.

Google Search Console is a free service offered by Google that helps you monitor, maintain, and troubleshoot your site's presence in Google Search results. You don't have to sign up for Search Console to be included in Google Search results, but Search Console helps you understand and improve how Google sees your site.