What descriptions can be used for last, first, PR_ID and CID

Which of the following is a true statement about milestones

Someone with this coz i don’t really know what i can choose, just pick whatever u want. homework - you need to choose a website that you like or use frequently. you must visit the website and discuss 6 different features/parts/aspects of the website that you think makes it good. (100 words)

When copying and pasting text, the first step is move your cursor type the text select the copy command select the paste command