정원

A formal request to an authority or organization for something, such as a job, a course, or a service.

A formal written request or document used to apply for something, such as a job, a course, or a service.

To change or modify something that has already been decided or arranged, such as a time, place, or plan. Critical for rescheduling tasks in IELTS.

A set of guidelines, instructions, or rules to be followed in a specific situation. It acts as a compass for behavior or action.

Official permission to do something. Frequently used in IELTS letters requesting permission or discussing laws.