petrogram/petroglyph: a prehistoric rock carv-
ing or line drawing
piazza: a public open space, surrounded by build-
ings that may vary in shape and in civic purpose
pictogram: a picture or symbol that represents a
word or group of words
pier: a large pillar used to support a roof
pilaster: a rectangular feature in the shape of a
pillar projecting only slightly from a wall
plaza: an open area in a city, usually surrounded by
buildings or streets, and paved and landscaped
polychrome: a term originally applied to the art of
decorative painting in many colors, extended to the
coloring of sculpture to enhance naturalism, and used
in an architectural context to describe the application
of variegated materials to achieve brilliant effects
pop art: a tw