'Visions' in the Bible

As for these four youths, God gave them knowledge and skill in all learning and wisdom; and Daniel had understanding in all visions and dreams.

but there is a God in the heavens, who revealeth secrets, and maketh known to king Nebuchadnezzar what shall be at the end of days. Thy dream, and the visions of thy head upon thy bed are these:

I saw a dream which made me afraid, and the thoughts upon my bed and the visions of my head troubled me.

O Belteshazzar, master of the scribes, because I know that the spirit of the holy gods is in thee, and no secret is too hard for thee, tell me the visions of my dream which I have seen, and the interpretation of it.

Thus were the visions of my head upon my bed: I saw, and behold a tree in the midst of the earth, and its height was great.

I saw in the visions of my head upon my bed, and behold, a watcher and a holy one came down from the heavens;

In the first year of Belshazzar king of Babylon, Daniel saw a dream and visions of his head upon his bed: then he wrote the dream; he told the sum of the matters.

After this I saw in the night visions, and behold, a fourth beast, dreadful and terrible, and exceeding strong; and it had great iron teeth: it devoured and broke in pieces, and stamped the rest with its feet; and it was different from all the beasts that were before it; and it had ten horns.

I saw in the night visions, and behold, there came with the clouds of heaven one like a son of man, and he came up even to the Ancient of days, and they brought him near before him.

As for me Daniel, my spirit was grieved in the midst of my body, and the visions of my head troubled me.