Annotations allow to add information to database content. Annotations can be made of several AnnotationParts, which can be compared to email attachments.

An Annotation is owned by an AnnotationOwner, which assignates a Family to the Annotation. The Family mechanism is the same than for Publication and Fragments.

An Annotation refers to some Annotable thing, which can be a Fragment, a Publication, or even an Annotation.

The interest to allow Annotations to be annotated is to allow easy creation of Forums, or derived structures, where a reply is linked to a previous entry.

Annotations are not implemented yet.