This is the data entry interface for adjectival declensions. In the center of the screen, in yellow, is the declension the system has picked for your adjective, it may or may not be correct. Below, across the bottom, are a three buttons: A Reject button to stop and go back to the previous screen. A Declension button to go to the adjectival declension GUI and pick another declension. And Accept to accept the current declension and go to the SQL check screen.
Across the center of the screen are the various values for a given declension: (Masculine) Animate, (Masculine) Inanimate, Feminine, Nueter, Plural Animate and Plural Inanimate. To enter a custom declension, select the radio button for the given type of declension and then change the value for the given declension in the line editor for the particular case. To change the stem type a new stem in and then press <ENTER> which will propagate the change throughout the declensions. At any time you can cancel what you are doing, and if something is accepted with an error, you can edit it from the "Data" button on the main GUI.