Only those cells names. Most common mistake in excel. If you want to sort rows make sure you highlight everything and then use sort function on column
The column names and data types.
Answer: hi there! Have a good day/night :))
Answer:
A or B would work.
If the developer tell you how to, which depends on what you ask then A would work
But Following links could give several smaller bits of info and resources required which makes B able to work