That's actually the Google Analytics Reporting API's formal syntax: https://developers.google.com/analytics/devguides/reporting/core/v3/reference#q_summary htt

That's actually the Google Analytics Reporting API's formal syntax: https://developers.google.com/analytics/devguides/reporting/core/v3/reference#q_summary https://developers.google.com/analytics/devguides/reporting/... It's pretty handy, since queries are so commonly exactly that: "the last 30 days" or whatever, and it saves the client from having to perform date calculation code to figure out just what that is.