This document discusses different types of organization development (OD) interventions. It defines OD interventions as structured activities engaged in by organizational units to enact organizational change. The document then classifies interventions based on their objectives and targets, and outlines the major families of interventions including diagnostic activities, team-building, intergroup activities, survey feedback, education and training, techno-structural changes, process consulting, and grid organization development. It provides details on the goals and approaches for each type of intervention.