Explanation:

- Option 1: Monthly calendar

- This is a view in Outlook to check your appointments by month.

- It's useful for planning but doesn’t allow others to schedule meetings for you.

- Option 2: Event manager

- Outlook doesn't have a specific feature called "Event manager".

- Events can be managed through the calendar but not directly linked to delegation.

- Option 3: Appointments

- These are individual entries in your calendar for specific events or meetings.

- Does not involve granting scheduling permissions.

- Option 4: Delegate Access

- This feature allows you to give someone else the ability to manage your calendar.

- They can schedule, edit, or update your meetings and appointments.