Explain how Ranorex handles cross-application, multi-technology testing?

Ranorex doesn't limit a test case to one running application - the Object Repository can hold entries under separate root nodes for each application involved, so one test can drive a desktop client, then check the result in a web portal, then confirm a mobile notification, all inside the same scenario.

sequenceDiagram
    participant T as Ranorex Test Case
    participant D as Desktop App
    participant W as Web Portal
    participant M as Mobile App
    T->>D: Create new order (desktop)
    D-->>T: Order confirmation shown
    T->>W: Open order in web portal
    W-->>T: Validate order status = "Submitted"
    T->>M: Check push notification
    M-->>T: Validate notification text

Each application is attached and identified through its own technology-appropriate adapter - UI Automation for the desktop client, WebDriver for the browser, Appium for the mobile app - but the test module code treats all of them through the same Ranorex API, so switching from one application's object to another's is just a matter of referencing a different repository branch.
This is particularly valuable for validating end-to-end business workflows that genuinely span multiple systems, such as confirming that an action taken in a desktop back-office tool is correctly reflected in a customer-facing web or mobile app, something that a single-technology framework like a browser-only tool cannot verify on its own.