1 Hourglass: Torso and hips are approximately the same width - with waist definition.  Apple: Torso and upper body wider than your hips - with little or no waist definition. You might have weight surrounding your waist.
From a legal point of view, a merger is a legal consolidation of two entities into one entity, whereas an acquisition occurs when one entity takes ownership of another entity's stock, equity interests or assets.
The Memorandum of Understanding is a tool which can be quite effective in achieving this end. Through the use of the Memorandum of Understanding (MOU), agreements between coordinating or case management agencies and the agencies providing direct service can be formalized. The MOU can be tailored to the specific needs of each agency, whether the agency provides case management services, direct services, or some combination of both.