a feature (or the order or arrangement of features) of anything having a complex structure; "the contours of the melody"; "it defines a major contour of this administration"
a line drawn on a map connecting points of equal height
not clearly defined or easy to perceive or understand; "indistinct shapes in the gloom"; "an indistinct memory"; "only indistinct notions of what to do"
indistinctness of shape or character; "the scene had the swirling vagueness of a painting by Turner"
unclearness by virtue of being poorly expressed or not coherent in meaning; "the Conservative manifesto is a model of vagueness"; "these terms were used with a vagueness that suggested little or no thought about what each might convey"