No, he means "Hin- und Rückrunde" in german, so I consider this as 2 games with each team... that means every NWL season is devided into 2 parts. It's common not only in english Premier League, also in Bundesliga, Serie A, Primera División or Ligue 1. I could go on.
And I don't get it why a game "at home" and one "away", we all never play in our own "stadiums". We allready play on neutral servers "away".