While both "schedule" and "timetable" relate to plans and arrangements, there's a subtle difference between them. A "schedule" is a flexible plan of things to be done, often including tasks or events that are not strictly time-bound. A "timetable", on the other hand, is a detailed and inflexible plan that shows the exact times of events or activities. Think of a timetable as a fixed schedule.

For example:

• Schedule: "I have a busy schedule this week with meetings and appointments." (Meaning: I have many things to do this week, not necessarily at specific times.)
• Timetable: "The school timetable shows that English class is at 9 am every Tuesday." (Meaning: The time of the English class is fixed and cannot be changed.)

Another example:

• Schedule: "My work schedule is pretty flexible; I can adjust my tasks based on priority." (Meaning: I can decide which task to do first. )
• Timetable: "The train timetable indicates that the next train to London departs at 10:30." (Meaning: The train will depart at 10:30, and this time is fixed.)

Sometimes, the words are used interchangeably, but understanding the nuance will help you use each word more precisely. A timetable is always a schedule, but a schedule isn't always a timetable. A schedule can be a to-do list, while a timetable outlines the exact times of events.

Happy learning!