# Customer-Centric Market Definition

## Core idea

Define the business around customer progress and needs rather than the current product form.

## Figures

- `theodore-levitt`
- `peter-drucker`

## Use when

- The decision matches the mechanism this school is designed to explain.
- The school can materially change diagnosis, choice, or measurement.

## Applied theories

- `marketing-myopia`
- `customer-creation`

## Boundaries

- Treat this school as one lens, not a universal operating doctrine.
- Compare with counterweights when growth horizon, category maturity, economics, or evidence point elsewhere.