please explain theses question to me for the better understanding,

Describe some typical pairs of entities that you think might be common in business, and describe their relationships, whether many-to-many, one-to-many, many-to-one, or one-to-one. Explain why you think that a particular relationship applies to that pair of entities.

Why do you think organizing data into tables and relationships is a good way to design a database? How do related tables improve the accuracy of data in a database?