What did the letters on world war 2 ration stamps mean?

The letters on World War II ration stamps indicated the type of food or item that could be purchased and helped regulate the distribution of scarce resources. Each letter corresponded to specific products, such as "A" for meats, "B" for processed foods, and so forth. The stamps were used to control consumption and ensure fair distribution among the population during wartime shortages. This system helped manage limited supplies and minimize hoarding.