The wiki entry for sudoku explains some of the basic terminology of a sudoku puzzle, though is far short of being as comprehensive as Wikipedia's glossary.
A number of questions come to mind:
- Are those the only names for the various elements?
- Are those the "agreed" standard names to be used here on puzzing.SE?
- Should the wiki entry be made more comprehensive, possibly going as far as including much (or even most?) of Wikipedia's content?