Bran vs Oat-What’s the difference?

Differences Bran vs Oat—are  given below

Bran vs Oat
Bran is a see also of oat. As nouns the difference between bran and oat is that bran is the broken coat of the seed of wheat, rye, or other cereal grain, separated from the flour or meal by sifting or bolting; the coarse, chaffy part of ground grain while oat is (uncountable) widely cultivated cereal grass, typically (taxlink).