Six Principles of Kata

Balance

Kisoku no Donto

Waza no Kankyu

Chikara no Kyojaku

Inen

Ikita Kata

Kata No Rokugensoku
Ikita Kata: Kata should be alive and preformed with feeling and purpose.
Inen: Kata most be performed with spirit.
Chikara no Kyojaku: Kata must be performed with variation in the application of power. Technique may be strong or yielding, hard then soft.
Waza no Kankyu: Kata practice there should be variations in timing. Sometimes moving fast, sometimes moving slow.
Kisoku no Donto: Kata should be practiced with the correct rhythm of breathing.
Balance: Good balance should be maintained during the practice of Kata.