Release 10.1A: OpenEdge Getting Started:
OpenEdge Reference Architecture

Overview

Figure 4–1 highlights the Presentation Layer in the OpenEdge RA.

Figure 4–1: The Presentation Layer

The components in the Presentation Layer are primarily involved in implementing the user interface of an application. They communicate with the business logic in the Business Servicing Layer through a client/server Service Interface (see the "Service interfaces" section).