Realm (disambiguation)

Realm may refer to:

Government

• Realm, the dominions of a king (or queen); a kingdom
• Commonwealth realm, one of the states of the Commonwealth of Nations that recognise Queen Elizabeth II as monarch

Math and Science

• Ecozone, or realm, the largest scale biogeographic division of the Earth's surface
• A hyperplane in geometry

Religion

• Six realms - categories of possible rebirths in traditional Buddhist cosmology
• Plane (esotericism)

Information technology

• Realm — A database of usernames and/or passwords — as used in Apache Tomcat.
• A URL pattern in OpenID protocol, for which the OpenID authentication is valid
• An ID for an instance of a server software - HTTP transmits Realm when answering to a Basic access authentication request to distinguish different areas on server.
• A scope of operation in networking or in security — as in Active Directory realms, NFS realms, or Kerberos realms. Compare domain.
• Realm database is a database management system for mobile devices : a replacement for SQLite & Core Data.

Popular culture

• Fictional universe
• Realm (magazine), a Canadian magazine (1998-2003) that covered careers and education
• Realm (British magazine), a large, coffee-table magazine
• The Realm, an underground hacker community that included Phoenix and Electron
• "Realms", a song by Hawkwind from Space Bandits
• Realm (band), an American heavy-metal band

Games

• Realm (World of Warcraft), a server cluster for playing World of Warcraft
• Realm (video game), a platform shooter Nintendo video game
• Realms (video game), a real-time strategy game by Graftgold
• The Realm Online, one of the first massively multiplayer online role-playing games
• Realm of the Mad God, a massively multiplayer browser game

See also

• Realmz, a fantasy adventure
• Relm (disambiguation)