Philosophy of design is the examine of definitions of design, and the assumptions, foundations, and implications of design. There are also numerous informal or private philosophies for guiding design as design values and its accompanying elements within trendy design differ, both between completely different schools of thought[which? Design philosophies are often for figuring out design objectives. In this sense, design philosophies are elementary guiding principles that dictate how a designer approaches his/her apply. Reflections on material culture and environmental concerns can guide a design philosophy.