A Lexicon of Ethical Principles defines and contextualises key ethical terms for built environment researchers and practitioners. These terms have been drawn from institutional codes and protocols, various branches of theory and philosophy, as well as lived experiences.

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“Affect” derives from the Latin noun affectus (something having been affected, or influenced) and its verb afficere (to affect, or to be affected by). Affect is an autonomous potential or capacity carried by an event or an encounter. Affect is not inert. Leaving its marks or “refrains” on human and non-human bodies which in turn intersect with landscapes and institutions, affect is found in the residues of lived encounters. It accrues in atmospheres which are co-compositional and co-constitutive as these are made by competing subjects whose presences overlap across different temporalities.[1] Affect is critical ­to recover “the minor, inconsequential, secret, atomic,” and it is “not given in advance, not apprehendable except through the thickets of formalist analysis.”