Two Young Girlfriends On The Hill Above The Sea

This term is often used loosely, and there is some debate over what exactly constitutes a girlfriend. In western society, it is generally agreed that "girlfriend" status begins when two people agree to date. Getting a girl to agree to such an arrangement is considered a milestone for young males, and is often seen as a sign of status, based on the perception of the girl amongst the male's peers.
Different terms used
Although nuanced, for some there is a significant difference between "girlfriend" (one word) and "girl friend" (two words), or "boyfriend" (one word) and "boy friend" (two words).. In a strictly grammatical sense, a "girlfriend" or "boyfriend" is an individual with whom one shares a romantic relationship. A "girl friend" or "boy friend", however, is simply a friend identified on the basis of gender. This is sometimes also contravened by simply stating "ladyfriend" or "guyfriend". The terms "friend girl" (and "friend boy") are also sometimes used to indicate a platonic friendship. The transition between the two is a significant aspect of adolescent development.