「表{おもて}」、「表面」、「外観」の違い


「表{おもて}」、「外観」、「表面」  
三つの言葉の違いは何ですか。




表 is the front, as opposed to 裏, the back.

外観 is the outside appearance, as opposed to 内観, the internal appearance.

表面 is usually translated as "surface".

