Official Webpage of A.Tanzadeh, 8th Dan, Kyoshi 糸東会

Shitoryu Karate defense and offense principles – P. 2

Five principles of defense (“Uke no go gensoku”)
Five principles of offense (“Seme no go gensoku”)

Hangeki vs Denko

Hangeki = Blocking & Countering or Simultaneous Block & Counter Strike.
Denko = Sudden counterattack at the beginning of your opponent’s attack even when he is preparing to start his attack.