Core
HousePillar
ArchetypeMediator
Help people clarify needs in a support-oriented discussion.
Public figure
Rock songwriter and guitarist
John Lennon helped form the Beatles and worked as a singer, guitarist and songwriter. His collaboration with Paul McCartney produced much of the group's repertoire.
Editorial references, not member accounts or endorsements.

At a glance
Help people clarify needs in a support-oriented discussion.
Compare courses of action and make trade-offs visible.
Map alternative routes before choosing an entry point.
Examine the assumptions behind a position.