The edges formed by the combination of colored steel and cutouts in allen jones’ echo are best described as

The correct answer is: Contour Lines

Explanation:

Allen Jones in an artist born in 1937 who became popular in the 1960s thanks to the rise of British Pop Art.

Echo is a sculture created in 2008 which represents a dancing figure. This sculpture is a freestanding sculpture made with painted steel and oil enamel . The size is about 200 x 153 x 100 cm.

lines and shapes are a part of the visual elements which can be played with and used to create a mood or feeling in a composition.

some of the other elements include the pattern, color, tone and texture. all these elements serve together as the construction blocks which are used by the artists to create artwork.

lines are used to form drawings and different shapes are formed when these lines are used in certain lengths or angles. so the artist can play with these elements of art to create and express different moods, thus conveying different  meanings.