Final answer:
The Rosetta Stone is an ancient artifact that helped researchers understand Egyptian hieroglyphics. It contains a decree in three different scripts: hieroglyphics, Demotic, and ancient Greek.
Step-by-step explanation:
The Rosetta Stone is an ancient artifact that played a crucial role in helping researchers understand Egyptian hieroglyphics. It was discovered in 1799 and marks an important milestone in deciphering the ancient script. The stone contains a decree in three different scripts: hieroglyphics, Demotic, and ancient Greek.
Although the Rosetta Stone is often associated with the language-learning software company, it is a historical artifact that provided key insights into ancient Egyptian culture and language.