== EMAN2 Concepts and Conventions ==

 * [:EMAN2/ProjectDatabase:Projects, e2desktop.py and the database]
 * [:EMAN2/Symmetry:EMAN2 and the asymmetric unit]
 * [:Eman2DataStorage:Data storage conventions, and the internal database (what is BDB: ?)]
 * [:EMAN2/CtfModel:CTF model used in EMAN2]
 * [:EMAN2/TransformConventions:Transformations in the context of projections, reconstructions, and in general]
 * [:EMAN2/AlignersDescription:More information regarding the aligners]
 * [:Eman2Metadata:Parameters/Metadata appearing in EMData attributes (and stored on disk with the image), accessed with get_attr and set_attr]
 * [:Eman2AppMetadata:Parameters/Metadata for applications, not associated with a specific image, stored in bdb:project]