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Class may refer to: Wikipedia does not have an article with this exact name. ... Wiktionary (from wiki and dictionary) is a multilingual, Web-based project to create a free content dictionary, available in over 150 languages. ...

• Appliance classes, in the electric appliance manufacturing industry.
• Class (biology), a rank used in taxonomy.
• Character class, in role-playing games, or other genres such as the FPS Team Fortress
• Class (computer science), related to object-oriented programming.
• Class (file format), the binary executable file format of Java
• Class (education), a group of students attending a specific course or lesson, or short for a classroom.
• Class (emission), a set of characteristics of an emission, designated by standard symbols.
• Class (film), a romantic comedy released in 1983.
• Class: A Guide Through the American Status System is a book by Paul Fussell
• Class (philosophy), distinguishes between classes and types.
• Class (sailing), where boats of identical construction race against each other.
• Class (set theory), in mathematics.
• Ship class, in a navy, a set of vessels that share essentially the same design.
• The Class (TV Series), a CBS sitcom which began in fall 2006
• Travel class
• Classes of United States Senators
• Social class refers to the hierarchical distinctions between groups in societies or cultures, and is a fundamental concept in economics, sociology and other social sciences.
• Class (warez), a defunct group in the warez scene.

With respect to railroads: In the electrical appliance manufacturing industry, the following IEC protection classes are used to differentiate between the protective-earth connection requirements of devices. ... Scientific classification or biological classification refers to how biologists group and categorize extinct and living species of organisms. ... Look up taxonomy in Wiktionary, the free dictionary. ... A character class represents a characters archetype and career in some role-playing games (RPGs). ... Team Fortress is a team & role based online multiplayer computer game modification based for id softwares Quake. ... In object-oriented programming, a class is a programming language construct that is used to group related instance variables and methods. ... The Java source files (.java files) get compiled into . ... Java refers to a number of computer software products and specifications from Sun Microsystems (the Javaâ„¢ technology) that together provide a system for developing and deploying cross-platform applications. ... A photograph of PZFUN and his class in Honghu, Hubei, China. ... The set of characteristics of an emission, designated by standard symbols, subsequently, type of modulation of the main carrier, modulating signal, type of information to be transmitted, and also, if appropriate, details of signal and the nature of multiplexing. ... Class is a 1983 American movie that was directed by Lewis Carlino. ... Paul Fussell (born 1924, Pasadena, California) is a cultural historian and a professor emeritus of English literature of the University of Pennsylvania. ... Philosophers sometimes distinguish classes from types and kinds. ... This article needs to be cleaned up to conform to a higher standard of quality. ... In set theory and its applications throughout mathematics, a class is a collection of sets (or sometimes other mathematical objects) that can be unambiguously defined by a property that all its members share. ... A ship class is a group of ships of a similar design. ... The multinational Combined Task Force One Five Zero (CTF-150) The British Grand Fleet, the supreme naval force of World War I A rare occurrence of a 5-country multinational fleet, during Operation Enduring Freedom in the Oman Sea. ... The Class is a television sitcom created by David Crane and Jeffrey Klarik. ... A travel class is a quality of accommodation on public transport. ... The three classes of US Senators, each currently including 33 or 34 Senators (since Hawaii became the 50th state in 1959, and until another state is admitted), are a means used by the United States Senate for describing the schedules of Senate seats elections, and of the expiration of the... Social class refers to the hierarchical distinctions between individuals or groups in societies or cultures. ... Face-to-face trading interactions on the New York Stock Exchange trading floor. ... This article or section does not adequately cite its references or sources. ... This article or section does not adequately cite its references or sources. ... Class (CLS) was a notorious and prolific warez group that existed between January 1, 1997 and January 9, 2004. ... Warez refers primarily to copyrighted material traded in violation of copyright law. ...

• The classification of United States railroads according to revenue, specifically:

Class I railroad

Class II railroad

Class III railroad

• Class (locomotive), a single design of a railroad locomotive as assigned by the railroad
• Community Leaders at the Service of Society, a Non-profit organization that provides business solutions to other NPOs and leadership development opportunities to volunteer professionals.

With respect to language, class is also: There are approximately 150,000 miles (240,000 km) of railroad track in the United States, nearly all standard gauge. ... A Class I railroad in the United States, or a Class I railway (also Class I rail carrier) in Canada, is one of the largest freight railroads, as classified based on operating revenue. ... A Class II railroad, as defined by the American Association of Railroads, is a railroad with an annual operating revenue between $10 million (1978 dollars) and $50 million (1978 dollars). ... The Buckingham Branch Railroad is a typical example of a Class III shortline in Virginia. ... Class (locomotive) refers to a group of locomotives built to a common design for a single railroad. ... Great Western Railway No. ... This is the top-level page of WikiProject trains Rail tracks Rail transport refers to the land transport of passengers and goods along railways or railroads. ... A non-profit organization (abbreviated NPO, or non-profit or not-for-profit) is an organization whose primary objective is to support an issue or matter of private interest or public concern for non-commercial purposes, without concern for monetary profit. ...

• A slang word in the UK, meaning "great" or "fabulous". This colloquial word is now used across most media and is gaining more widespread acceptance. For example: "this song is class".
• A synonym of lesson, in education.
• An (X)HTML language attribute.

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