Connecting to database: localhost as user myuser
Website address: https://www.example.com
Error: File too large. Maximum size is 2 MB.
Displaying 20 items per page.
Explanation: Constants store values that shouldn't change, like database credentials, file paths, or application settings. This makes code more readable, maintainable, and less prone to errors. Using constants for things like file sizes or pagination limits makes it easy to adjust these values in one place.