Oat flour comes from grinding whole oat seeds.
The end result is a more palatable product with a chewy texture.
Oat flour generally does not contain gluten.
Nutritionally, chickpea flour has the same advantages as chickpea and is superior to wheat flour in a whole range of elements: high fiber content, high protein content, high amount of folic acid, potassium, calcium, and phosphorus, minimal gluten, and high amount of polyphenols, i.e. important antioxidant substances.
The main difference between chickpea flour and flour in its use for bread or sweets, cookies, cakes, etc., is that it does not rise, since it contains very little gluten. Also, chickpea flour has high fiber content and absorbs much more liquid than other flours.