Unscaled AGN model used in this paper. The central optical source (yellow star) irradiates an electron-filled broad line region (BLR, in orange) and a coplanar, more distant, dust-filled circumnuclear region (torus, in red). The source also irradiates torus-collimated, ionized, ejection winds along the polar axis (yellow). Quantitative details such as sizes, half-opening angles or composition are given in the text.