There are some not so subtle emotional connotations to the icons which make the icons easier to understand/remember but problematic in usage. Protein is the bo

There are some not so subtle emotional connotations to the icons which make the icons easier to understand/remember but problematic in usage. Protein is the bottom of a stack -- implies important or less important depending on your personal view point on stacks Fat is a scale, implying an association with weight -- a negative link. Carbs are a gas gauge implying energy -- a positive link.