Answer:
Data
Explanation:
Architectural Domain is a business term that describes the whole enterprise architecture in order to enhance business efficiency. It is divided into four, in which the process of architectural design moves from one domain to another. These domains are:
1. Business Domain
2. Data Domain
3. Application Domain
4. Technology Domain
Therefore, Preliminary or architectural design is the activity that begins the transition from the analysis, or business domain, to the Data Domain.
