Performance Architecture is currently considered to be undefinable. Please try to avoid reading the following remnants of an attempt to define it:
Some instances of Performance Architecture consist of real-time live interventions by a curious being, who considers space by placement within it. Performance Architecture may be linked to the question, "What is space and how do we interact with it?" The placement of the body in space frequently leads to moments of exquisite realization concerning such variables as scale, motion and spaciousness.
Space imbued with meaning becomes Place. When a space is chosen for a performance, meaning is found within it through action, inference, investigation, or a mixture of these.