An agenda is a list points to be discussed at a meeting.
A diary is a book with a space for each day where you write down things that you have to do in the future.
A schedule is a plan that lists all the jobs that you must do and when you must do them.
A timetable is a list showing the fixed times at which something will happen.
- There are several items on the agenda for tonight’s meeting.
- One moment, I’ll put that in my diary.
- I have a busy schedule this week.
- Can I please have the timetable for trains to Paris.