A system is a group of interconnected parts that influence one another through ongoing relationships and patterns of interaction. In systemic thinking, individuals are understood within relational, social, cultural, and contextual systems rather than in isolation.
A change in one part of the system affects the whole system.
Definition
A system is an interconnected network of relationships, interactions, meanings, and patterns in which each part influences and is influenced by the others. In systemic thinking, people are understood within relational, social, cultural, and contextual systems rather than in isolation.
Quick Understanding
A system is not simply a collection of individuals. It is the ongoing interaction between people, emotions, behaviours, beliefs, and contexts. A change in one part of the system affects the whole system.
Simple Example
If one family member becomes withdrawn during conflict, others in the family may begin adapting around that withdrawal — perhaps becoming more protective, more critical, or avoiding difficult conversations. The whole family system reorganises itself in response.
Clinical Example
A therapist working with a young person experiencing anxiety may explore not only the anxiety itself, but also family communication patterns, expectations, school pressures, attachment dynamics, and cultural meanings around distress. The symptom is understood relationally rather than as existing only inside the individual.
Core Insight
Problems often make more sense when viewed within patterns of relationships and contexts rather than inside isolated individuals.
Thinking Questions
- What relationships shape this experience?
- What patterns repeat across contexts?
- What happens in the system when one person changes?
- What meanings are being created between people?
- What wider systems may be influencing the family?
Practice Use
The concept of system helps practitioners move away from blame and towards relational understanding. It encourages curiosity about interaction, context, meaning-making, and reciprocal influence.
Reflection Before Session
- What wider systems may be influencing this person or family?
- What assumptions am I bringing into the session?
- What relationships or contexts might be important to explore?
Reflection After Session
- What interactional patterns became visible?
- How did different people influence one another?
- What meanings appeared to organise the system?
- What changed during the conversation?
References / Theorists
Paul Watzlawick
Gregory Bateson
Ludwig von Bertalanffy
Humberto Maturana
Heinz von Foerster
Bradford Keeney