Emphasis anchors the design and adds interest

Emphasis is also known as "focal point". A focal point should be something interesting to look at. It should be colourful or texturally and visually appealing.

Imagine a huge vibrant painting above the fireplace or a wall in bold paint colour or covered with wallpaper to draw attention to your living room. A room where everything gets equal importance will seem scattered or boring.  You need that anchor to break the monotony of the space.