Sekadi sane sampun kabuktiang antuk mapetekan sane sampun kapanggihang ring tulang, salian nguningin cara mapetekan soroh barang, jadma prasejarah mibah sampun uning cara mapetekan akeh abstrak sekadi galah—rahina, masa, utawi warsa.
As evidenced by tallies found on bone, in addition to recognizing how to count physical objects, prehistoric peoples may have also recognized how to count abstract quantities, like time—days, seasons, or years.