Your record has to reach another person. A sign that makes perfect sense to you may leave your partner guessing.

Some of the earliest surviving writing comes from Uruk in Mesopotamia, in modern Iraq, around 3200 to 3000 BCE. BCE means before the Common Era, before year 1 in this dating system. Clay records tracked quantities such as grain and animals.

Early signs included pictures and abstract marks. Over time, writers pressed wedge-shaped signs into moist clay. Cuneiform is the name for this wedge-shaped writing. It became useful for many kinds of records.

Your delivery record is not cuneiform. It investigates why a shared system matters. If your partner reads a different quantity, compare the marks with your intended meaning. A record needs more than a surface: its users need a way to interpret the signs.

In China, bone inscriptions survive from the late Shang period. National Museums Scotland records an example from near Anyang dated around 1250 to 1050 BCE. BCE means before the Common Era, before year 1 in this dating system.

An inscription is writing marked on a surface. This bone and the Mesopotamian tablets come from different places and periods. They show that writing’s story includes more than one tradition.

Surviving does not mean first. A durable tablet or bone can remain after other records disappear. Finding an early example cannot name every writer who came before it.

Return to your invented message. You can note who made it, when, and what the signs mean. Ancient evidence does not always come with those helpful notes. Researchers combine objects, signs, and surrounding clues. These readings cannot name one person who wrote the first word.

solo · About 5 minutes; estimate

You need

• Safe familiar play dough
• Blunt craft stick or spoon handle
• Paper and pencil

Try it

1. Flatten a small piece of dough.
2. Press the blunt edge at an angle; do not cut.
3. Try pressing the same mark in another direction.
4. Draw two marks you could tell apart.
5. Label them invented shapes, not translated cuneiform.

together · About 8 minutes; estimate

You need

• Paper and pencil
• Your invented delivery record

Try it

1. Give your record to a partner without explaining it.
2. Ask them to draw what they think arrived.
3. Compare their drawing with what you meant.
4. Agree a small key showing each sign’s meaning.
5. Write a new delivery record and try decoding again.
6. Record what the key changed and any confusion left.