# εἷς, μία, ἕν/heis, mia, hen
Sometimes this word describes something. It is an adjective. 

* This word is for the cardinal number 1.

* This word often contrasts the “1” against others in the same count.

* This word appears often in the negative: not one  (Matthew 5:18; 10:29; Luke 11:46; and 12:6. 
    * This word is often used in counting, as in “one by one.”
    * This word can make the distinction between some or one, or in more than one, and the like. 
    * This word can refer to “everyone”:  εἰς ἕκαστος (* or each one).
    * This word can mean all (of the ones) in succession. 

See: Matthew 25:15; Romans 5:12, 1 Corinthians 10:8