1 - Stories will either not have consummated love scenes, or if the loves scenes are consummated and detail is not given. Sweet stories that usually result in no more then a kiss.
2 - Stories will have some love scenes. These will be more sensual then graphic and will mostly rely on euphemism.
3 - Stories will have sensual, yet more explicit love scenes, and the language used to describe them may be more graphic and direct.
4- Stories have frequent love scenes that are explicit and described using graphic and direct language.
5- Stories have a high frequency of love scenes that are explicit, described using graphic and direct language, and/or contain subject matter that some readers may consider objectionable. Including multiple partner, bdsm, menage.