You are engaged in affinity analysis. What does this mean?

You are engaged in affinity analysis. What does this mean?

Answer – Grouping entities and attributes in logically organized table structures.

(In general, tables should contain attributes that describe a single entity. An entity is a single object that needs descriptors. An automobile, for example, can be described by its color, horsepower, model, number of doors, year of manufacture, and other details.)