By "architecture", IT people mean the framework, the items that make up the piece and its surroundings; basically, the same way as a "normal" architect who builds houses. The architecture of a house decides how it is built, how it fits together, and how it works in the context of its surroundings.
When talking about an IT product, we normally look at things like its limitations, its properties, what it depends on, and what it needs. The following figure shows Orchestrator and its dependent components.
The figure also contains the dedicated technical user account svc_vRO that is used to connect Orchestrator to other components.
Another part of the architectural view is how Orchestrator authenticates users. ...