Paper size is an essential element to consider when printing or designing documents. However, there are different terms you can use instead of paper size, including page dimensions, sheet size, and print dimensions. Additionally, you may also hear terms like ISO paper size or A-size paper, which refer to a standard system for paper sizes used in most countries worldwide. In contrast, U.S. paper sizes, such as letter or legal size, are specific to the United States. No matter what term you use, it's crucial to ensure you select the correct paper size to avoid printing or design errors and ensure your documents look professional.