What is a grouping of two or more contacts together for the purpose of sending out information at one time called?

The grouping of two or more contacts together for the purpose of sending out information at one time is best described as a distribution list. A distribution list allows users to send emails or messages to multiple recipients efficiently without needing to enter each contact individually. This is particularly useful for businesses and organizations that regularly distribute information to a set group of individuals, such as updates, newsletters, or announcements.

While "contact groups" may also seem relevant, the term is more commonly associated with organizing contacts within an individual's address book for easy access rather than serving the specific purpose of mass communication. Other options such as "contact list" and "team" do not specifically convey the intent of systemic information dissemination to a pre-defined group in the same way as a distribution list does.