Main F/F
Lesbian or queer works where the main characters are in (or form) a female x female relationship.
Sub F/F
Lesbian or queer works where the main character engages in female x female relationships but will not end up in one OR where major characters in an an ensemble cast are in (or form) a female x female relationship.
Side F/F
Non-lesbian or queer works which feature female x female relationships or scenes.
Main F/NB
Lesbian or queer works where the main characters are in (or form) a female x non-binary relationship.
