ram show all the trust boundaries, such as where different accounts interact? Do you cover all UIDs, all application roles, and all network interface?...

Does the threat modelling diagram show all the trust boundaries, such as where different accounts interact? Do you cover all UIDs, all application roles, and all network interface? 

Does the threat modelling diagram reflect the current or planned reality of the software? Can we see where all the data goes and who uses it?

Do we see the processes that move data from one data store to another?