Qualities, elements, seasons, humours
Four qualities, four elements, four seasons, four humours
| season | element | humour | body fluid | location |
| Spring | air | sanguine | blood | heart |
| Summer | fire | choleric | "yellow bile" | liver |
| Autumn | earth | melancholic | "black bile" | spleen |
| Winter | water | phlegmatic | phlegm | (various) |