1. Domain Analysis Model
A Domain Analysis Model (DAM) is a structured way to describe and docu-ment the information requirements of a particular area of interest (or domain).
It describes the business terms (con-cepts), their characteristics (attributes) and relations.

2. BRIDG

3. Analysis vs. Implementation
<<implements>>
ANALYSIS
WHAT to represent
Defines the concepts and the relations of a given domain
Creates an unambiguous terminology to describe the domain
Abstracts away from any implementation issues
IMPLEMENTATION
HOW to represent
Defines how the concepts are represented on the physical level
Needs to consider constraints of the chosen technology
There may be many different implementation models for one analysis model (typically one per technology)
Depending on its purpose the concepts may not be represented completely

4. WHY? Communication Communication between humans
Communication between machines