The dating process usually is initiated by going out on double-dates. Double-dates were used to initiate the whole dating process because it created a more open environment conducive to easy conversation. So they initial shyness of young couple can be eased away by the presence of other company, especially if the double date was a "set-up" or a blind date for one couple. After double dating, you would naturally move onto single dating. And should the relationship move on, as they often do, it would move into the ubiquitous "going steady" stage