.. This file is part of Invenio. Copyright (C) 2020 CERN. Invenio is free software; you can redistribute it and/or modify it under the terms of the MIT License; see LICENSE file for more details. .. _main-concepts: Main concepts ============= .. toctree:: :maxdepth: 2 repository-structure understanding-data-models managing-access handling-files user-interface-styling architecture-infrastructure architecture-application securing-your-instance