full stop, full point, period = kropka (na końcu zdania)

Full stop

Source: http://commons.wikimedia.org/wiki/File:Full_stop.png

kropka (na końcu zdania)

full stop BrE , also: full point , period AmE = kropka (na końcu zdania)

English sentence and Polish translation

Put a full stop at the end of the sentence. = Postaw kropkę na końcu zdania.