That will vary with each transaction. It can be as basic as paying a fixed fee for use of some space on a regular basis, to buying a building and remodeling it with all sorts of special equipment.
Not unless it is at the start of a sentence or part of a formal name. Karate is studied in a dojo. He went to the dojo to study karate. He studies Shidokan Karate.
The place to learn karate is called the dojo.
karate school, or a dojo...
It literally means the dojo code. They are some rules which all karate practitioner have to follow. You can see them in front of your dojo. They highlight the expectations from a karateka and what s/he is disallowed to do in his/her dojo.
Karate is wonderful! If you find the right dojo to join, you will make friends, get healthy and learn much!
Dojo.
dojo
a dojo
Pretty much anything you want to call it. The place where it is taught is usually referred to as a dojo.
dojo
The past tense of "join" is "joined."
Although karate can be performed anywhere, it is most commonly done in a dojo.