# Mono - Reference Profile

> **Status:** PUBLIC_REFERENCE_PROFILE
> **Classification:** Thing
> **Entity Type:** Individual/System

## Role

Legacy monolith embodied as an old enterprise server; hidden business-rule survivor.

## Mission

To provide educational value and illustrate system patterns.

## Educational Alignment

- **Subjects:** monoliths, legacy modernization, technical debt, hidden business rules, rewrites, Software Architecture, Legacy Modernization, Technical Debt
- **Teaches:** Why legacy systems survive and how hidden business rules complicate modernization efforts.

### Learning Objectives

- Understand the hidden business value and complexity inside legacy monoliths.
- Evaluate the risks of rewrite strategies versus strangler-fig patterns.