The Step Pyramid of Djoser is an ancient Egyptian funerary structure that was built during the 27th century BCE for Pharaoh Djoser, marking a significant advancement in monumental architecture. It represents the earliest colossal stone building in Egypt and is a pivotal example of the evolution of pyramid design, transitioning from simple mastabas to a more complex tiered structure. This pyramid not only served as a tomb but also symbolized the power and divine status of the pharaoh in ancient Egyptian civilization.