(1) A system object that serves as a directory to other objects. A library groups related objects, and allows users to find objects by name.
(2) A repository for demountable recorded media, such as magnetic disks and magnetic tapes.
(3) A collection of model elements, including business items, processes, tasks, resources, and organizations.
(4) A partitioned data set or a series of concatenated partitioned data sets. See also partitioned data set extended.
(5) A Notes database that contains lists of links to other databases. Unlike a catalog, which lists all the Notes databases on a server, a library contains links to selected databases from one or several servers.
(6) A set of object modules that can be specified in a link command.