Ability to do advanced searching within existing apps using a query language or graphic interface. This would apply to apps like Users, Requests, Inventory etc.
NOTE: MARC field searching is out of scope for this epic, as it's covered in the MARCcat epic (the MARCcat app will supply MARC searching)
This early video from Filip introduces the concept: https://discuss.folio.org/t/advanced-searching-discussion/1620
This later post shows some more recent mockups for this feature: https://discuss.folio.org/t/mag-search-patterns-discussion/1699