Systems thinking represents the cognitive framework for understanding phenomena as interconnected wholes rather than isolated parts. At its core, this approach recognizes that the behavior of any system emerges from the relationships and feedback loops between its components, not merely from the components themselves. The whole exhibits emergent properties that cannot be predicted by examining individual elements in isolation.

This mode of cognition arose formally in the mid-20th century through the work of biologists, mathematicians, and social scientists who recognized the limitations of reductionism in explaining complex phenomena. The approach draws from ancient philosophical traditions - from Buddhist interdependence to Indigenous ecological wisdom - while incorporating modern insights from cybernetics, chaos theory, and network science. Systems thinking reveals how causality in complex systems is rarely linear; instead, effects loop back to become causes, creating patterns of self-organization and adaptation.

The framework applies across scales and domains: from understanding ecosystems and organizational dynamics to parsing Consciousness and social systems. It connects to holism in its emphasis on wholeness, to complexity science in its study of non-linear dynamics, and to design thinking in its application to problem-solving. Systems thinking serves as a meta-framework for navigating the interconnectedness that defines both natural and human-created worlds.