Cuneiform tablet: administrative account concerning the distribution of barley and emmer ca. 3100-2900 B.C. Sumerian Of the many legacies left by the ancient civilizations of southern Mesopotamia, the invention of writing is paramount. At the end of the fourth millennium B.C., written language developed in the region, first as pictographs and then evolving into abstract forms called cuneiform. The pictographs, like the ones on this tablet, are called proto-cuneiform and were drawn in the clay with a pointed implement. Circular impressions alongside the pictographs represented numerical symbols. Cuneiform (meaning wedge-shaped) script was written by pressing a reed pen or stylus with a wedge-shaped tip into a clay tablet. Clay, when dried to a somewhat hardened state, made a fine surface for writing, and when fired the records written on it became permanent.Early writing was used primarily as a means of recording and storing economic information. This tablet most likely documents delive