Final answer:
A bunker, in the context of golf, is correctly defined as all sand inside the edge of a specially prepared area. This definition is true as it is consistent with golf lexicon and the specialized nature of a golf course's hazard.
Step-by-step explanation:
The statement that A bunker is defined as all sand inside the edge of a specially prepared area pertains to the game of golf, and in this context, is true. In golf, a bunker is indeed a hazard consisting of a depression filled with sand. It is an intentionally crafted area typically found near the putting green or along the fairway. One of the unique challenges of a bunker is that it requires different techniques to play a ball out of the sand compared to playing on the grass.
While the reference information provided about soil conditions and moisture comes from a biological or ecological perspective, probably concerning burrowing animals storing food, it doesn't apply to the golf-specific concept of a bunker. In golf, soil conditions may affect the consistency of the sand and hence the difficulty of the shot, but it is the carefully designed edges of the sand trap that define a bunker, according to the rules of the game.