contains one cell of a table. (description of figure) contains a brief prose description of the appearance or content of a graphic figure, for use when documenting an image without displaying it. groups elements representing or containing graphic information such as an illustration or figure. contains a mathematical or other formula. supplies the name of a previously defined notation used for the content of the element. contains one row of a table. contains text displayed in tabular form, in rows and columns. indicates the number of rows in the table. (columns) indicates the number of columns in each row of the table.