Introduction

• Unified : Standard proposed by the Object Management Group
• Modeling : Proposed to represent (software) systems
• Language : With a graphical syntax and an object-oriented semantic/interpretation

Motivation

• One entity (type) with many operations vs. many interacting entites/objects...
  What requires some "plan/model" to describe then understand what is done
• A common language used by the most important companies around the world
• An "intuitive" representation understandable by clients, analysts, developpers, testers...