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In general, Index usually refers to a system used to make finding information easier. Specifically, it may refer to:

• Index (publishing), a detailed list, usually arranged alphabetically, of the specific information in a publication
• Index (database), a feature in a computerised database which allows quick access to the rows in a table
• Index (information technology), in computer science, either an integer which identifies an array element, or a data structure which enables fast lookup
• Index (mathematics), for various meanings of the word in mathematics
• Index (economics), a single number calculated from an array of prices and quantities
• Webserver directory index, a default or index web page in a directory on a web server, such as index.html
• Indexicality, in linguistics, the variation of meaning of an utterance according to certain features of the context in which it is uttered
• Index Librorum Prohibitorum, a list of publications which the Catholic Church censored
• Index finger, the second digit of a human hand
• Index Magazine, a New York City-based publication for art and culture
• Index (retailer), a UK catalogue retailer formerly owned by the Littlewoods group and known as Littlewoods Index
• Index, Washington, a town in the United States
• The Index is a fictional artifact from Combat Evolved.

Indexes

Index | Index | Indekso | אינדקס | Indico | نمایه | Indice | Index | Index | 索引 | Index | Index | Ín-tit