The phrase "sharp contours" refers to the clear and distinct lines or edges that define the shape or outline of an object. It means that the boundaries of something are very precise and easily noticeable. Full definition
This vehicle has sharp contours on the exterior that not only make it attractive but also improve efficiency. (ftmyersjaguar.com)
The works here — by Nina Chanel Abney, Mathew Cerletty, Jamian Juliano - Villani, Caitlin Keogh and Orion Martin — resemble a kind of Surrealism strained through Pop Art, a mix of sharp contours and taut surfaces channeling content that's less about a metaphysical truth rooted in the subconscious than it is about consciousness as artifice. (timeout.com)
In the front, sharp contour lines add extra dimension to the sculpted hood while deeply recessed fog lights give it an aggressive look. (hybridcars.com)