Planned architecture manipulates space, volume, texture, light, shadow, or abstract elements in order to achieve pleasing aesthetics.642-426 exam This distinguishes it from applied science or engineering, which usually concentrate more on the functional and feasibility aspects of the design of constructions or structures.In the field of building architecture, the skills demanded of an architect range from the more complex, such as for a hospital or a stadium, to the apparently simpler,646-046 exam such as planning residential houses. Many architectural works may be seen also as cultural and political symbols, and/or works of art. The role of the architect,117-101 exam though changing, has been central to the successful (and sometimes less than successful) design and implementation of pleasingly built environments in which people live.