Clothing sizes are standardized measurements used to indicate the fit of garments. They typically include categories such as small, medium, large, and numerical sizes like 2, 4, or 10. These sizes help consumers choose clothing that fits their body shape and size, making shopping more convenient. Different brands may have variations in sizing, so it's important to check size charts before purchasing. Additionally, some clothing items may be labeled as plus size or petite to cater to specific body types. Understanding clothing sizes can help individuals find the right fit for their personal style.