The term "28-40" typically refers to a range of sizes in clothing, particularly for women's apparel. It indicates a size category that includes measurements for bust, waist, and hip, often used in the fashion industry to help consumers find the right fit. In some contexts, "28-40" can also relate to age demographics, often representing individuals in their late twenties to early forties. This age group is significant in marketing and social research, as it encompasses a period of life where many people establish careers, families, and personal identities.