theoria
aerial perspective
is a technique for rendering depth or distance by muting the hue, tone, and distinctness of objects perceived as receding from the picture-plane. Also called atmospheric perspective.
analytical drawing
relates to the drawing of lines to represent the three-dimensional structure and geometry of a form, proceeding generally from the whole to the constituent parts.
analytique
is an elevation drawing of a façade, surrounded by a decorative arrangement of drawings of important details and sometimes a plan or section of the facade.
anamorphosis
is a distorted image that appears in natural form only when viewed at a special angle or reflected from a curved mirror.
area plan
is a plan showing the principal elements of a design project in the wider context of its surrounding environment.
axonometric
is a paraline drawing of an axonometric projection, having all lines parallel to the three principal axes drawn to scale but diagonal and curved lines distorted.
axonometric projection
is the orthographic projection of a three-dimensional object inclined to the picture plane in such a way that its three principal axes are foreshortened.