Eon

Real World Example

Imagine trying to organize a massive photo album that spans your entire life. Just as you might sort these photos into broad categories like childhood, teenage years, and adulthood, an eon is the largest unit of the geologic time scale, further divided into eras, periods, and epochs for more detailed organization. Here, the entire photo album represents an eon, the broad categories are like eras, and specific events or years in your life are akin to periods and epochs, providing a structured way to understand and navigate long spans of time.