What refers to the hierarchical arrangement and establishment of social categories that may evolve into social groups?

The term that refers to the hierarchical arrangement and establishment of social categories that may evolve into social groups is "Social Stratification".

Here are the steps to understand this:

1. Social Stratification is a system by which society ranks categories of people in a hierarchy.

2. In this system, people are divided into layers according to their relative power, property, and prestige. This can happen in all societies and is related to a person's position in the social hierarchy.

3. The arrangement of these categories is what forms the basis of the structure of social stratification.

4. Over time, these categories can evolve into social groups. For example, in a class system, people in the same class generally have similar opportunities, live in similar types of neighborhoods, and think in similar ways.

5. Therefore, social stratification is the hierarchical arrangement and establishment of social categories that may evolve into social groups.