The article discusses the difference between USDA Prime, Choice, and Select meat, which are divided into three categories that determine the distribution of fat within a cut of meat. These grades tell shoppers about how the cattle was raised and the amount of marbling each steak is expected to expect in each steak. Marbling is a key distinction in cattle categorization, with ranchers Bruce Stephens and Jon Urbana stating that more marbling means more prime cuts, and these are the most valuable and expensive cuts in grocery stores. USDA Select is leaner and has the least marbling of the three grades, but is still considered a quality product. Prime is more on the corn-fed side of the spectrum, while Select is fed mostly grass and Choice is fed a mixture of grass.