'Appearance' in the Bible

Thou, O king, sawest, and behold, a great image. This image was mighty and its brightness excellent; it stood before thee, and its appearance was terrible.

He answered and said, Lo, I see four men loose, walking in the midst of the fire, and they have no hurt; and the appearance of the fourth is like a son of God.

And it came to pass, when I Daniel had seen the vision, I sought for the understanding of it, and behold, there stood before me as the appearance of a man.

and his body was like a chrysolite, and his face as the appearance of lightning, and his eyes as torches of fire, and his arms and his feet as the look of burnished brass, and the voice of his words like the voice of a multitude.

Then there touched me again one like the appearance of a man, and he strengthened me;