A Work is an individual creation, for example a literary opus, which can be available in various editions, e.g. as pocket edition, as part of collected works, as theatrical performance or as audio book. An Edition is always a particular edition of a work. To describe a Work, TextGrid offers Work Objects: These are metadata-only Objects that contain work specific metadata like the uniform title, the date of creation or keywords describing the Work. By the time of publication, every Edition Object must be linked to a Work Object.