Lesbian, gay, female homosexuality; Used when a female character is engaged in sexual activity or mating behavior with another female character, regardless of what else is going on in the post. This includes: penetration, fingering, oral, kissing, cuddling, hand holding, dating, etc with both individuals involved being female.
This tag should only be applied if there's a minimum of two female characters.
Note: This does not include intersex characters of any definition. Only characters that are entirely female go under this category.