Kokki is a word that means "cook" in Japanese. It refers to a person who is very skilled at cooking delicious meals. Just like how you might be good at drawing or playing soccer, a kokki is really good at making yummy food. They know all the special tricks for preparing different dishes, like how to chop vegetables just right or how to season meat perfectly. And just like how there are different types of art or sports, there are different types of cooking that a kokki can specialize in, like sushi-making or noodle-making. So when you see the word "kokki", just remember that it means someone who is really good at cooking!