What action is possible when using the page diff feature in AEM?

The page diff feature in AEM (Adobe Experience Manager) is primarily used to visually compare different versions of a page or to assess changes between pages. The correct action allows for highlighting differences, which includes the capacity to perform comparisons across language copies. When highlighting is deactivated for language copy comparison, it indicates that the feature does not facilitate the visual differentiation of changes among translations, which could be crucial for multilingual websites.

This functionality is significant in scenarios where businesses need to ensure that all language versions of their content are consistent with the original or to identify discrepancies that may arise from translation processes. Activating or deactivating highlighting ensures that users can effectively manage and view content variations as necessary.

The other options do not accurately represent the capabilities of the page diff feature: comparing live copies with blueprint pages and the ability to compare every version of a page supports extensive analysis and content tracking. Furthermore, the feature allows comparisons beyond just the latest versions, enabling users to evaluate any iterations that exist.