In other words, if you have to know 3 facts about a domain, it doesn't have a steep learning curve; if you need to know 1000 facts it does. Time is irrelevant in this context. The correct axis should be facts to know and effectiveness to reason / act in domain.
The origin of the name Ichigo is Japanese. This is the culture in which the name originated, or in the case of a word, the language. Ichigo is the Japanese word for strawberry, but the name can also mean one/best guardian as a male name from ichi one and go guardian.. Also the Japanese word for strawberry which would be the feminine form. Ichigo iis a name in manga and anime in titles like Bleach and Tokyo Mew Mew.
Kurosaki Ichigo is a 15 year old boy that has an ability to see ghosts/spirits. Because of his ability, he is able to meet a female death god (aka Shinigami) named Kuchiki Rukia. To save his family and friends from unwanted soul-eating spirits (Hollows), Rukia transfers her Shinigami powers to Ichigo.