Sushi is a Japanese dish of prepared vinegared rice (鮨飯, sushi-meshi), usually with some sugar and salt, a variety of ingredients (ねた, neta), such as seafood — often raw — and vegetables. Styles of sushi and its presentation vary widely, but the one key ingredient is "sushi rice", also referred to as shari (しゃり), or sumeshi (酢飯).