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.
Okinawan name. Okinawan names today have only two components, the family names (surnames or last names) first and the given names last. Okinawan family names represent the distinct historical and cultural background of the islands which now comprise Okinawa Prefecture in Japan. Expatriates originally from Okinawa also have these names.