Japanese terms are used for the techniques and to count. Here’s a short video on how to count from 1-10. Please note for 4 we use “shi” and for 7 we use “shichi.”
On 10 everyone kiai (strong shout emanating from hara/lower abdomen) with their technique. We recommend using either “hi-ee” or “oooos.” or whatever guttural shout comes out naturally.
Read Goju terminology here.GoJu-Ryu-Karate-Terms-and-Kanji