DACI (Atlassian — Driver / Approver / Contributors / Informed; single Approver) for strategic decisions. RACI (Responsible / Accountable / Consulted / Informed) for execution tasks. DRI (Apple — Directly Responsible Individual) for cross-functional initiatives. RAPID (Bain — Recommend / Agree / Perform / Input / Decide) as legacy alternative to DACI. This pack carries the chooser, templates, and Linear/Notion implementations.