Unlike the symmetrical style of Art Deco mouldings and frames, Art Nouveau frames incorporate linear movement of tendril - like motifs and weaving patterns that capture the eye. (artbusinessnews.com)
And even evolutionary theory continues to rely upon the hierarchical distinctions of levels, though it envisages them as stages in a horizontally linear movement with the lines of demarcation somewhat blurred. (religion-online.org)
She goes on to explain how carrying baby upright helps baby turn his head, detect linear movements, and the body's position with respect to gravity. (babywearingschool.com)