GNB
GNB(Global Navigation Bar) is where you set the global menu you want to use at the top of the application. Clicking on the GNB menu opens a popup window, as shown below, where you can select the options you want to apply within the application.
After making your selections, click Check will apply them to the application. Detailed explanations and instructions for each GNB option can be found in a separate GNB detailed guide chapter.