The image below is a screenshot of the NAT:
The NAT user interface has been separated into seven panels with different functionalities.
This panel is located in the upper left corner of the screen. It contains the UMLS version selection menu, our logo, source selection button, print menu, and help link.
There are five concept panels highlighted gold in the above figure. They are:
The concept definition window is located below these five panels at the very bottom of the screen.
The Options Panel, located at the upper part of right column of the screen, contains search, history, and display options along with a tab to view the Semantic Network.