edgy, geometric wavy, waving zig-zag, criss-cross silhouette

angular ascend bottom decline descend downhill edge edgy elevation equaliser equalizer fall flicker fluctuate fluctuation geometric geometrical geometry horizontal incline jiggle land landscape mountain natural nature oscillate oscillation peak peaky pitch pointed pointy quiver rise rock rocky scape shift shock silhouette top tumble uprise vector vibrate vibration wave waveform waving wavy