What is the meaning of Index?

An alphabetical listing of items and their location.

The index finger; the forefinger.

A movable finger on a gauge, scale, etc.

A symbol resembling a pointing hand, used to direct particular attention to a note or paragraph.

That which points out; that which shows, indicates, manifests, or discloses.

A sign; an indication; a token.

A type of noun where the meaning of the form changes with respect to the context; e.g., 'Today's newspaper' is an indexical form since its referent will differ depending on the context. See also icon and symbol.

A single number calculated from an array of prices or of quantities.

A number representing a property or ratio; a coefficient.

A raised suffix indicating a power.

An integer or other key indicating the location of data, e.g. within an array, vector, database table, associative array, or hash table.

A data structure that improves the performance of operations on a table.

The number of cosets that exist.

A prologue indicating what follows.

To arrange an index for something, especially a long text.

To inventory; to take stock.

To normalise in order to account for inflation; to correct for inflation by linking to a price index in order to maintain real levels.

To measure by an associated value.

To be indexical for (some situation or state of affairs); to indicate.

To access a value in a data container by an index.

index (alphabetical listing of items and their location)

index

index (a data structure that improves the performance of operations on a table)

index (list)

index (number or coefficient representing various relations)

index finger

index

forefinger

the welcome page of a web site, typically index.html, index.htm or index.php

turn signal , indicator (each of the flashing lights on each side of a vehicle which indicate a turn is being made to left or right, or a lane change)

pointer, hand, indicator (a needle or dial on a device)

transcript, report card, course report (in higher education)

index (an alphabetical listing of items and their location, usually at the end of publications)

ban, blacklist (a list of books that was banned)

A pointer, indicator.

The index finger, forefinger.

An index, list, catalogue, table, summary, digest.

A title, superscription.

A sign, indication, proof, mark, token, index.

An informer, discoverer, director, talebearer, guide, witness, betrayer, spy.

An inscription.

index

index

Source: wiktionary.org