The three given pie charts compare the average proportions of course meals of three type of nutrients, which may not be good for human's health if being overeaten.
It is noticeable that the percentages of dinners containing sodium and saturated fat are the highest among four typical meals, whereas added sugar is the primary nutrient in snacks.
As we can see from the charts, in dinner, people consume 43% of sodium, 37% of saturated fat and 23% of added sugar. Meanwhile, the proportions of these nutrients during lunch are significant lower, only 29% and 26% and 19% for sodium, saturated fat and added sugar respectively.
Regarding breakfast, the amount of sodium accounts for 14%, the figure for snacks is the same, compared to 42% of added sugar contained in snacks, whereas the amount for saturated fat is only by a half. While, breakfast contains the lowest percentage of saturated fat and added sugar.