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.
An increase in the value of assets as a result of their combination. Expected synergy is the justification behind most business mergers. For example, General Motors purchased Electronic Data Systems in 1984 with the expectation that considerable synergy would result.