We define differentiation as:

Differentiating the market offering to create superior customer value.

A set of buyers sharing common needs or characteristics that the company decides to serve.

Tailoring products and marketing programs to the needs and preferences of individual customers;

also labeled one$-$to$-$one marketing, customized marketing, and markets$-$of$-$one marketing.

Dividing a market into different age and life$-$cycle groups.