Movement is the path the viewer's eye takes through the work of art, often to focal areas. Such movement can be directed along lines, edges, shape, and color within the work of art.
In this photograph the diagonal lines lead the eye into the space to the point where the lines converge.
Fifth Avenue Looking South from Thirtieth Street, attributed to Silas A. Holmes, about 1855
From the J. Paul Getty Museum: https://www.getty.edu/education/teachers/building_lessons/formal_analysis2.html