Mentors / Mentees. When available expertise, learning goals, availability and autonomy level need to be connected.
Recruiters / Candidates. When the role, manager and candidate need to be compared through explicit criteria rather than a broad impression.
Project Teams / Clients. When a team needs to connect internal constraints, client expectations, success criteria and complementarity zones.
Organizers / Participants. When groups, workshops or pairs need to account for goals, preferences and logistical limits at the same time.