Visual artists today tend to use the wall in practical ways. They hang paintings on it or cast moving images upon its white surface. Often, artists apply an explanatory plaque or sticker beneath or beside their work.
Sculptors place their objects in the exhibit space using the walls of the room as a kind of framing device, for our perception of objects is partly determined by the way they relate to their surroundings.
Mass and shape define sculpture and, to a lesser extent, framed paintings, for these are objects with which the viewer interacts within a defined space. It is this interaction that influences what we think and how we feel about the art on display.
The wall, then, is typically a means to an end, a little-noticed support system.
Read it all from the Faith and Values section of the local paper.