This allows you for a selected photo to see other pics with a similar content (recording time, color, or content). Furthermore, you can * delete photos (directly in Photos) * export photos to an album (directly in Photos) These features help you to efficiently organize your photos. For example, in combination with similarity search, you can quickly delete duplicates. Moreover, you can quickly export photos of a specific content class (e.g., "beach") or a specific color (e.g., "white") to an own album.