What do Acquisition Channels mean?
Direct: Any traffic where the referrer or source is unknown
Email: Traffic from email marketing that has been properly tagged with an email parameter
Organic: Traffic from search engine results that is earned, not paid
Paid search: Traffic from search engine results that is the result of paid advertising via Google AdWords or another paid search platform
Referral: Traffic that occurs when a user finds you through a site other than a major search engine
Social: Traffic from a social network, such as Facebook, LinkedIn, Twitter, or Instagram
Other: If traffic does not fit into another source or has been tagged as “Other” via a URL parameter, it will be bucketed into “Other” traffic