In social and psychological contexts, these terms often describe the evolution of identity and behavior:
: Studies on species like horses or turtles use these stages to track physical changes, such as limb length or the probability of survival after release into the wild. Metaphorical and Institutional Growth old young mature
: A transitional phase where reliability, financial stability, and emotional regulation become prioritized. In social and psychological contexts, these terms often
: Often associated with exploration, risk-taking, and a "fresh start" mentality. In social and psychological contexts
: Typically characterized by a wealth of experience, though sometimes physically described by specific traits like graying hair or changes in stature. Environmental and Ecological Stages
The terms are also applied to collective groups or abstract concepts: