Creating an Application Properties page in ServiceNow provides a centralized location where developers or administrators can configure settings that influence the behavior of an application. This approach offers several benefits:
Dynamic Configuration: By exposing certain parameters through an Application Properties page, administrators can adjust the application's behavior in response to changing requirements or environments without altering the underlying code or application artifacts.
Simplified Maintenance: Having a dedicated properties page reduces the need for direct modifications to scripts or configurations, thereby minimizing the risk of introducing errors. It also streamlines the process of updating settings, as changes can be made through the user interface.
Enhanced Flexibility: Developers can design applications with configurable options, allowing for greater adaptability across different

The source control operation used to store local changes on an instance for later application is called a stash. A stash is a temporary storage area for uncommitted changes that are not ready to be pushed to a remote repository. Developers can use stashes to save their work in progress without committing it to the local repository or discarding it. Stashes can be applied later to restore the changes to the working directory, or dropped if they are no longer needed. References: [ServiceNow Docs - Stash local changes], [ServiceNow Docs - Source control]