he Empress is, essentially, the Great Mother, representing many cultures' concepts of abundance and fertility, most often personified by a beneficent female. Carnal passion and sensuality are the realm of her power, and by nurturing others, she creates structures from the potential that surrounds her.
About (11:15) I said the May pole was inserted after being wrapped in flowers, and meant the opposite. It would be pretty hard to dance and wrap a May pole in ribbons when it isn't even upright yet. :D