There are no limits to the designs a computer can create, however there may be limits to what can be constructed, depending on such circumstances as available materials, knowledge, location, etc. ... It is a computer program that gives the architect opportunity to electronically plan and place elements of a building.
The Doric Order was the oldest and most stable because of its wider style that was not fluted or adorned. Its capital consisted of an abacus and a curved, trapezoidal echinus. The Ionic Order was much more slim and elegant than the Doric Order and had a more decorative capital with spiraled volutes atop the echinus. Finally, the Corinthian Order was the most slender with the most decorative capital, featuring smaller volutes and acanthus leaves.