* Historical Context: "The pyramids of Giza were constructed during the Old Kingdom period of ancient Egypt, a time of great prosperity and architectural advancement."
* Specific Time Period: "The Old Kingdom lasted from approximately 2686 to 2181 BCE, marking the beginning of the pharaonic era in Egypt."
* Comparison: "Compared to the later New Kingdom, the Old Kingdom of Egypt saw a more centralized political system and less reliance on foreign trade."
* Art and Culture: "The art of the Old Kingdom is characterized by its monumental scale and realistic depictions of royalty and deities."
Remember that "Old Kingdom" is often used with a specific historical context in mind, usually referring to ancient Egypt.