See how the records feature class represents recorded legal descriptions of property and how relationship classes and attribute rules link the records feature class to parcel polygons and lines. I'll show you the steps to add existing parcel polygons and lines to a new record.
This video was recorded with ArcGIS Pro 2.7 in July, 2021.
For further parcel data training, check out Esri's Working with Parcel Data in ArcGIS Pro course: https://bit.ly/3OtMMc9.