Architectural Programming (Rex, Studio 1412)

a) Place Space (Yellow)
spaces which portray a sense of definite location or position.

b) Path Space (Red)
major transition spaces which are directional; corridor/connector/passageway.

c) Transition Space (Green)
spaces which act primarily as joints or fasteners.
can become an articulation between dissimilar elements.
a type of space which defines, separates, or joins.
a space that aids in the definition and/or juxtaposition of spaces or elements of contrasting or continuous character.

d) Servant Space (Blue)
spaces which are support to place spaces, path spaces, and transition spaces. mechanical voids & space occupied by structural elements, built in elements, wet areas, etc.
(Servant space as understood in opposition to Served space)