See Anglo-American Cataloguing Rules

See AGLS (Australian Government Locator Service)

A collection of authority records.

A set of 19 descriptive elements based on the Dublin Core which the Australian government departments and agencies can use to improve the visibility and accessibility of their services and information [..]

The principle whereby related but conceptually different entities, for example a painting and a digital image of the painting, are described by separate metadata records

Metadata used in managing and administering information resources, e.g., location or donor information. Includes rights and access information, data on the creation and preservation of the digital obj [..]

The dominant bibliographic standard regulating cataloging in the English-speaking world.  AACR2 represents a set of rules for the standard description of and access to all materials which a library ho [..]

A scheme that provides standard numeric values to represent letters, numbers, punctuation marks and other characters.  The use of standard values allows computers and computer programs to exchange dat [..]

In DCMI usage, an application profile is a declaration of the metadata terms an organization, information resource, application, or user community uses in its metadata. In a broader sense, it includes [..]

Best practice for a particular Element or Qualifier may vary by context. Definitions may provide some guidance; other information may be found in "Using Dublin Core".