In an example method, an electronic device receives data regarding a graphical user interface to be presented on a display of the electronic device. The electronic device identifies one or more key regions of the graphical user interface based on the received data and one or more rules. The one or more rules pertain to at least one of a geometric shape, a geometric size, a location, or a hierarchical property. The graphical user interface is presented on the display of the electronic device, and the at least one of the key regions of the graphical user interface is indicated using the electronic device.