noun - a list of tasks or items that you check off once you've completed or verified them
noun, formal - a formal statement of praise, approval, or recognition, often given officially for notable achievements or actions
noun - the amount of time an employee or employer must give before ending a job or contract
noun - the outer edge or boundary of an area, often referring to a secured or guarded zone
adjective, formal - showing respect and politeness to someone, especially someone in a position of authority or higher status