Perrault's Colonnade divided into five parts, is a typical solution of French classicism. The simple character of the ground floor basement sets off the paired Corinthian columns, modeled strictly according to Vitruvius, against a shadowed void, with pavilions at the ends. This idea of coupled columns on a high podium goes back as far as Bramante. Those rhythmical columns form a shadowed colonnade with a central pedimented triumphal arch entrance raised on a high, rather defensive base. Crowned by an uncompromising Italian balustrade along its distinctly non-French flat roof, the whole ensemble represents a ground-breaking departure in French architecture. Perrault (1613–1688) won
Architectural pattern architecture. Countless different architectures may implement the same pattern and share the related characteristics. Patterns are often defined as "strictly described and commonly available". Following traditional building architecture, a 'software architectural style' is a specific method of construction, characterized by the features that make it notable". Some treat architectural patterns and architectural styles as the same, some treat styles as specializations of patterns. What they have in common is both patterns and styles are idioms for architects to use, they "provide a common language" or "vocabulary" with which to describe classes of systems. The main difference is that a pattern