Yes, it's still a wall/fence. It fits into the same category, as defined by the Richmond Municipal Code Definitions Section:
Fence-Related Terms:
Fence. A horizontal or vertical barrier that functions as a means of protection or confinement or obscures sight to provide privacy, including a wall, hedge, or structure made of metal, wood or similar material.
Opacity. The proportion of a fence construction that is opaque, including pilasters and pickets.