contour

(noun) a line drawn on a map connecting points of equal height. Synonyms: contour line.

(noun) any spatial attributes (especially as defined by outline). Synonyms: shape, form, configuration, conformation. Example: "He could barely make out their shapes."

(noun) a feature (or the order or arrangement of features) of anything having a complex structure. Examples: "The contours of the melody." "It defines a major contour of this administration."

(verb) form the contours of.