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