Ultra-modern design encompasses a lot of different incarnations, which can make it difficult to define. In its simplest terms, modern interior design refers to the reflection of the modern art movement on the interiors of the home. Minimalism plays an integral part in modern design; the basics of minimalism include a "less is more" approach to designing a space. The majority of homes decorated in modern styles use neutral colours and shades of black and white exclusively throughout the home. Bold, often primary colours are used as accents to help break up the neutrals and provide focal points.