What does the dotted line mean?

1. Interface Design Elements: In some versions of Windows, dotted lines may be used to identify editable areas or to indicate dynamic elements in the interface.
2. Feature previews: In Insider Preview releases, dotted lines may be used to highlight new features being tested or features that are not yet fully implemented.
3. Feedback Indication: When providing feedback, dotted lines may be used to indicate specific areas or feature points that the user needs to focus on.
4. Interface loading status: In some cases, a dotted line may indicate that content is loading or waiting for user action.