Below are some questions you will want to study up on if you're preparing for a test for Orange belt or above (If you are testing for Dan ranks, you'll want to do a deeper dive into the history of the patch as this is an introduction to the history and meaning of the Isshinryu patch).
These questions pertain to the Isshinryu patch which is worn on the left lapel of your gi.
What is the name of the lady on the patch?
Where did Mizu Gami come from?
-Master Shimabuku's dream
What is Mizu Gami
-Half Lady Half Sea Serpent
What is the significance of Mizu Gami's hands?
-One hand is clenched in a fist; the other is open indicating that she prefers peace. Together they mean "I want peace, but I'll fight if I have to."
What is the meaning of the 4 stars at the top of the patch?
-One represents Master Shimabuku and the others represent his 3 main instructors: Motobu Choki, Miyagi Chojun, Kyan Chotoku.
What does the dragon on the patch signify?
-It could represent Master Shimabuku (his first name means Dragon Boy when roughly translated)
-It could also be a symbol of good luck
What does the yellow ring around the patch represent?
-The ring of fire from Master Shimabuku's dream
What is the entire meaning of the patch?
-Stay Calm in times of danger