index
noun
°An alphabetical listing of items and their location; for example, the index of a book lists words or expressions and the pages of the book upon which they are to be found.
°The index finger, the forefinger.
verb
°To arrange an index for something, especially a long text.
°To inventory, to take stock.
synonyms: arrow-finger, demonstrator, forefinger, index finger more» , insignitor, lickpot, pointling, showing finger, teacher