index.

An alphabetical listing of items and their location.

The index of a book lists words or expressions and the pages of the book upon which they are to be found.

This encyclopedia includes a topical index.

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.

Among the gravity indexes is the severance of diplomatic relations.

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.

The index of 2ℤ in ℤ is 2.

A prologue indicating what follows.

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

MySQL does not index short words and common words.

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.

To use a mechanism to move an object to a precise location.