What does each person's "Diet ID" actually mean?

Based on the user’s best match diet pattern image and personal information, Diet ID assigns a diet quality score using a robustly validated scale called the Healthy Eating Index (HEI) 2020. This metric scores the diet pattern on a scale of 1 to 100. It takes into account food groups and nutrients that correlate with the Dietary Guidelines for Americans and scientifically established dietary health risks. Once the users select the diet that is closest to how they eat, they have a really good idea of their diet quality and what that means for their overall health.