hard red winter wheat: it produces good quality flour used primarily in making bread, burgers, biscuits, etc. It has a high protein content of 10-14%, because of which it has a high amount of gluten in it
soft wheat: products like cakes, doughnuts, cookies, pastries, etc. Are best made with soft wheat as it does not require the same amount of leavening as yeast bread. It contains about 6-10% protein in it
durum: durum has a very hard texture and has a high protein and gluten content in it. It contains semolina, a course, golden amber product, which, when mixed with water, forms a dough. It's this dough that is largely used in making pasta products like noodles, spaghetti, etc.
white wheat: it has a soft texture and is used in making cereals, cakes, biscuits, etc.