Gives a sense of equilibrium and repose, a feeling of three dimensional stability

Balance

The balance is found with the long stems going around the arrangement. Without the long stems the arrangement would have no Balance

The balance is found with the long stems and flowers at the vase of the container. The balance would be lost if one or the other changed.

The balance is found with the long stems up on the left and down on the right. The balance would be off without those stems.

The balance is found with the long stems top left and bottom right. The balance is kept with the opposite side.

The balance is found with the long stems going around the arrangement. With any stem gone the balance would go with it.