Expressive Means of Contemporary Architecture

In the recent years, the process of architectural design has been evolving in a number of different ways, as it has always been the case. The goal, however, remains the same to design a quality architecture. New forms and architectural elements have also emerged with the advent of modern technologies. What are the defined facts that enter into design and reveal the boundary between high-quality architecture and mere „building“? What signs could define the current period?