This information can be found with more detail at the Hearing Journey - Cochlear implant Forum
Click HERE to learn about how every listening situation has a CONTENT factors
Closed Set: The easiest type of listening is in a closed set, where the contents of the set are present or clearly defined.
Bridge or Limited Set: A bridge or limited set is one in which the context or category
is clearly established, but the specific items in the set are not clearly present or defined.
Open Set: In open set listening, there is no established content and possibilities are unlimited.