Answer:
market segments
Step-by-step explanation:
Based on the information provided within the question it can be said that these divisions are known as market segments. This term refers to dividing the customer population into various separate groups based on a distinct aspect such as age, income, religion, ethnicity, size, etc. Mainly for marketing purposes. Which is exactly what Nalpas Inc. is doing by dividing its core customers on the basis of demographic variables such as income, ethnic background, and family life cycle.