Search Facet allow authors to filter assets based on metadata. While AEM provides default search facets out-of-the-box (like file type, file size, status), many organizations have unique metadata requirements. That's where custom search facets come in — they let you tailor the search experience to better suit your organization's specific asset metadata and workflows.

In asset management, it becomes apparent that certain assets are no longer referenced with any pages. It's recommended to delete these unused images from asset repository. This not only decreases size of AEM instance but also improves search/query performance.

Custom metadata that allows authors to define additional properties for digital assets beyond the standard metadata fields. These custom metadata fields in AEM Assets enhance asset management by allowing organizations to tailor information to their specific needs. They facilitate the inclusion of project specific details, campaign tags, and other relevant data, streamlining more effective asset categorization and management.