Final answer:
The college calendar typically includes dates for the summer, fall, and spring semesters. It helps students keep track of important academic dates and is structured around the terms that align with the seasonal cycle.
Step-by-step explanation:
The college calendar provides students with important dates throughout the academic year, typically including the start and end dates for the summer, fall, and spring semesters. Depending on the institution, these calendars might also contain dates for winter sessions, though that is less common and not typically considered a full semester like the other three. The answer to the question is a) Summer, fall, and spring dates, as these are the primary terms that most college calendars are structured around.