The word “undulating” is employed to evoke a sense of gentle, wave-like motion that brings both natural landscapes and dynamic forms to life. Writers use it to describe rolling, curving terrains—from the softly rising hills and meadows [1, 2, 3] to vast expanses where the land itself seems to breathe [4, 5, 6]—imbuing scenes with an almost musical rhythm. Beyond geography, the term also captures graceful motion in human and elemental forms, as seen in the fluid contours of a figure’s body [7, 8] or the shimmering, rhythmic pulse of the sea and even fire [9, 10, 11]. This varied usage enriches descriptive language, blending visual aesthetics with a cadenced, almost hypnotic quality [12, 13].