archaeologist david webster. webster: suppose i came into this stadium a week, or even a century, after all the people left. how would i figure out what happened here ? what this arena was used for ? this is the dilemma facing archaeologists. symbols are of fundamental importance in understanding any human culture because they're so laden with meaning. but they're not very durable and even if we find them often we can't decode them. in this case, though i'm in luck because of this -- writing. writing is a set of graphic symbols that is directly or indirectly related to language. keach: we use writing to convey very specific information, from introducing team members to explaining the referee's hand signals. this detailed guide brings the stadium to life. but archaeology is never this simple. archaeologists rarely find program notes to ancient societies. if writing exists in a society it usually serves very specific purposes. and like any other kind of symbolic system, it has to be decoded and deciphered. in fact,