Punctuation is the name for marks used in writing. They are to help understanding and correct reading. These are some common punctuation marks used in English: . is a period or full stop.
In the past, less affluent Okinawans ate sweet potatoes. Lots and lots of sweet potatoes. Rice, especially white rice, was more expensive and was a bit of a status symbol: it was something consumed only by the wealthier folks.
Raw foodists are vegans who eat mainly raw fruits, vegetables, legumes, sprouts, and nuts. There are also pescatarians, who eat fish and seafood; and lacto-vegetarians, who eat dairy products but not eggs. Fruitarians follow a diet that includes fruits, nuts, seeds, and other plant food.