This section describes the various operations involved in partitioning a block to create zones and adding courtyards to blocks. Before you start to draw partitions or courtyards, you first need to go to the block that you want to edit and you can do this by clicking on the block entry in the navigator or by double-clicking on the block in the 'Edit' screen, if you're at the building level.
Either of these operations will take you to the block:
