Today it is possible that the complete exterior façade is transparent, and this very transparency indicates a modern character. With the introduction of window strips, these hierarchies were abandoned. how many for a director or high-ranking counsellor and how many for a mere civil servant. Not long ago office buildings had a clear structure and the number of axes was prede-termined - e.g. The structure of the façade also determined the ground plan the greater the number of window axes in a room, the more important the function of the user. They often featured surface relief with architectural elements from the relevant period or style.
In earlier times, façades were characterised by window arrangements and axes.
