"Grains" usually refers to cereal grains. Everything you listed except for oats is typically classified as a legume or a pulse, not a grain.
replyLegumes are grains. It's a sub category just like cereal is a sub category. They are all grains.
replyAnd meat should be much less present too. Animal produce in general.
replyProtein intake should come from both vegetables and meats (to the tune of 500g to 600g per person per week, as a rule of thumb).