Window treatments are an essential part of interior design. Not only do they frame the room, they also add texture, dimension, and tonal unity to a space. Even more importantly, they create privacy and regulate the amount of sunlight in the room. Many homeowners choose their window treatments based on the color and visual aesthetic. But there are several other factors to consider in window covering design. Before you invest the time and money in installing window coverings, take a look at these 5 design considerations to help you make the best selection.