The document discusses using the present simple tense to talk about scheduled future events. It provides examples of using phrases like "I fly to Paris next week" and "The plane departs at 8 p.m." to describe events on a timetable or schedule in the future, such as arriving and departing from transportation or meeting plans for specific times. It also lists the daily scheduled activities of someone's day from class to dinner to a movie to sleep using the present simple tense followed by "will" for events after class in the future that day.