How Does the Underscore and Explore Approach Differ from the Tell

How does the underscore and explore approach differ from the tell and sell approach?

A) The underscore and explore approach has senders showering information on coworkers,while the tell and sell approach has people holding relevant information send it to others only when they explicitly ask for it.
B) The underscore and explore approach has senders explicitly listening to feedback,while in the tell and sell approach,senders generally are not interested in getting feedback and input from others.
C) The underscore and explore approach involves repetition of the same message without adding information,while the tell and sell approach showers information on people,expecting them to sort out relevant information.
D) The underscore and explore approach has senders explicitly listening to feedback,while senders using the tell and sell approach send information only to those who ask for it.