Final answer:
Prehistory is the time period before written records were kept by humans. It is primarily known through archaeological findings and oral traditions.
Step-by-step explanation:
The time called prehistory is defined as the period before written records were kept by humans.
During prehistoric times, which can be divided into the Paleolithic and Neolithic periods, there was no written language, so information about this time period is primarily based on archaeological findings and oral traditions.
The Stone Age, Bronze Age, and Iron Age are further divisions of the final era of prehistoric time based on the tools found in archaeological stratigraphy.