From Merriam Webster: COMPENDIUM Brief summary of a larger work or of a field of knowledge : abstract The library is more extensive, but they don't have the s

From Merriam Webster: COMPENDIUM Brief summary of a larger work or of a field of knowledge : abstract The library is more extensive, but they don't have the same goals. I'd even argue that part of Wikipedia's quality is it's ability to remain small relative to the knowledge it summarises.