From this philosophy, Tssui's work derives a biomimetic aspect, which he initially discussed in terms of evolutionary architecture and has in more recent years begun to refer to as "biologic design". Deriving from the Latin "bio", meaning alive or natural, and "logic", meaning well-reasoned, Tssui's conception of biologic architecture asks the question "What would nature do given this context, requirements, and functional goals?" The goal of this approach is to make buildings that take into account challenges of the environment and apply the "knowledge" exemplified by other natural organisms inhabiting the site—in this way preparing for the environment, and ultimately deflect normally disastrous calamities. Some key aspects of Tssui's biologic design include: