The yatagarasu race is led by the kin'u, also known as the Golden Raven. When his son, the future kin'u, is ready to take a bride, noblewomen from the Four Houses are sent to the Cherry Blossom Palace to compete for the honor of his hand in marriage.
The flowers symbolize you. 
And the horse...
...ترمز الزهور لكِ. والحصان
La flor te simboliza a ti.
Y el caballo es…
Las flores os simbolizan
a vos y el caballo…
Ce qui ferait de vous la fleur,
I fiori rappresentano te,
As flores são você. E o cavalo...
Цветок — это вы, ну а лошадь…