'Appearance' in the Bible

And on a day setting up the tabernacle, the cloud covered the tent of the tabernacle, the tent of the testimony; in the evening it was on the tabernacle as an appearance of fire until morning.

So it was continually; the cloud would cover it and the appearance of fire [by] night.

Now the manna [was] like coriander seed, and its outward appearance was like that of bdellium-gum.