In this dialog use the bounds of all loaded data, or coordinate values to specify the bounds for the new rectangle or square Line Feature.
With the Digitizer tool active, choose this
option from the Create Line Features
Digitizer right-click menu to add a new rectangle/square line feature
using coordinates. Once selected the Select Bounds of Feature dialog will
populate (below).
In this dialog use the bounds of all loaded data, or coordinate values
to specify the bounds for the new rectangle or square Line Feature.