We have been talking about fluidity of movement in the kata. Our style emphasizes fluidity not only in the teaching of kata, but in the Kanji that represents our style. Every component of the Kanji has an element of fluidity attached.
This young lady has that element of fluidity, more than that she captures the element of focus. Enlarge and pay attention to the first 10 seconds.
Japan's Rika Usami – The Undisputed Queen of Karate Kata - Shito-Ryu