The issuer wants to have the ability within the Audience Filter page to use the AND logic to filter using multiple collections specifically to filter to send campaigns to their language collection.

Please see the brief document for more context:

Brief document: https://docs.google.com/document/d/1UCDTo0sldPgN0lGsVEPlytnnzhyGoDbIXU5vuAqtn14/edit?usp=sharing