The correct answer is D. Checklist
Step-by-step explanation:
A checklist refers to a list of sequential steps, items, elements or stages that need to be completed or remember, and that are part of a major task or process. For example, you can create a checklist to plan a trip that includes selecting the destiny, looking for information about transportation (train, airplane, car), deciding the activities you want to do or the places you will visit, etc. Additionally, it is called a checklist because you should check and mark every item once it is completed. According to this, a list of items to be completed, verified or remembered is called a checklist.