Definition: "Timetable.php" is a file that creates schedules for websites, but without actual code to schedule events or functions. It's not a standard programming language; rather, it's used in HTML and PHP (a programming language). The "timetable.php" file represents an HTML document with a specific set of events on the page. Detailed definition: This is where you'll define a timetable, including all events like starting times, ending times, and other details. It's used to create online schedules for websites or applications that require managing events in a structured manner.