What do we call a specific portion of the main display space within a route?

The correct response is the term that is commonly used to describe a specific portion of the main display space within a route. The term "Screen section" accurately reflects this concept in the context of design and interface layout, as it indicates a defined area dedicated to displaying content, features, or functionality within a broader screen.

In user interface design, sections help to organize information and ensure that each part of the display serves a clear purpose. By calling it a "Screen section," it emphasizes the distinction and functional role of that particular area in relation to other parts of the display, aiding users in navigating and understanding the content presented to them.

The other terms—like "Display area," "View section," and "Content block"—while they may seem appropriate and are terms used in various contexts, do not specifically carry the standardized meaning that "Screen section" does within the context of routes in digital interfaces. Each of those terms might describe areas of the display in different ways, but "Screen section" is the one that aligns most closely with the industry terminology for describing portions of a route's main display.