The expression "x > y" means that the value of x is greater than the value of y. This is a common way to compare two numbers or quantities in mathematics. For example, if x is 5 and y is 3, then the statement "5 > 3" is true because 5 is indeed greater than 3. In practical terms, this comparison can be used in various fields, such as finance, science, and everyday decision-making. For instance, if x represents the amount of money earned and y represents expenses, the statement "x > y" indicates that there is a profit, which is a positive outcome.