bliography or
catalog.  
[Arts] 
n., A note added to an entry in a catalogue, reading list or bibliography to elucidate, evaluate or describe the subject and contents
 of a book; it sometimes gives particulars of the author. [Computer and Information Sciences] 
n., A new commentary node linked to an existing node. If readers, as well as authors, can annotate nodes, then they can immediate
ly provide feedback if the information is misleading, out of date or plain wrong. [Computer and Information Sciences] 
n