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.
Memorandum of understanding. A memorandum of understanding (MoU) is an agreement between two (bilateral) or more (multilateral) parties. It expresses a convergence of will between the parties, indicating an intended common line of action.