recallboundary

2. The point in a story or lesson where listeners stop remembering earlier details.

The teacher repeated the key facts because the class had passed its recallboundary.

3. A rule that says how far back a computer keeps saved information.

The app deletes old messages once they cross the recallboundary.

4. The farthest distance at which someone can still recognize a familiar face or place.

From the back of the crowd, the speaker was beyond my recallboundary.