How processes of family functioning are conceptualized influences a therapist's understanding and use of immediate experiential phenomena in the therapy setting. This article outlines two basic formulations that generate different conceptual perspectives of immediate phenomena. One recognizes that the family system has a time‐enduring stability, while the second postulates that the family system has an immediate and temporary organization. The latter position is developed as an appropriate and useful application of systems thinking. Integrating systems thinking and Gestalt Therapy provides a framework for this application, one that recognizes individual experience as organized and as embedded in a mutual causal, self‐maintaining system of the whole. The nature of such wholes, how they maintain their stability, their potential for change, and implications for therapy are descri