When you create a parcel, alignment, or grading object, you are prompted to specify a site name.
Use the same site for all objects that share a common topology and have specific relationships to each other.
Editing an object could cause changes to other objects that share the same topology.
To specify a site for topology objects
When creating an alignment, select <None> to assign the alignment to the top-level Alignments collection.
The following prompt is displayed:
Select object in site:
Select an object (parcel, alignment, or grading object) contained in the site to which you want to add the new object.