Referencetools added to a book, apart from the text, such as variant readings or translations, textual notes, a concordance, a bibliography, or an index, designed for the use of scholars studying the book.
One or more pieces of equipment on or with which gymnastics is performed.
The State apparatus, the formal means (including the legal system, the police, etc.) by which the ruling class exercises power: a term used by some Marxist theorists including Louis Althusser (see Ideological State Apparatuses).
