How's about textures? Predefined textures ike brick glass concrete or plastic walls? Predefined common objects like cars, traffic lights, subway trains and f.e. Boeing767 or Cesna? Moving objects macros like cars to emulate traffic? Or even to create bus and light rail networks or domestic plane flights? Or my way from home to work macro with automaticaly stop at red lights or stop signs?

Of course with the ability to switch on/off these layers