Which statement reflects the nature of constants?

Constants are defined as values that remain fixed throughout the program's execution. When you declare a constant, you are essentially creating a variable that cannot be altered after its initial assignment, which distinguishes it from regular variables that can have their values changed. This property is critical in programming as it helps maintain the integrity of certain values that should not be modified, ensuring reliability and predictability in code execution.

In contrast, the other statements do not accurately describe the nature of constants. For example, the notion of storing changing values suggests a variable's functionality rather than that of a constant. Additionally, describing constants as dynamic contradicts their fixed nature, as constants cannot be adjusted. Lastly, while some constants might pertain to specific contexts, like music track data, this is not a defining characteristic of constants as a concept in programming.