Method and device for managing tab window indicating application group including heterogeneous applications

A device for displaying a tab window, the device comprising:

• a display for displaying a user interface including a screen;
• at least one processor;
• and
• at least one memory storing one or more computer programs configured to be executed by the at least one processor, wherein the one or more computer programs include instructions to at least:
• generate a plurality of tab windows respectively indicating a plurality of application groups,
• simultaneously display a first object and a second object on the screen of the user interface, the first object indicating a layout setting of the plurality of tab windows, and the second object indicating a capability to modify the plurality of application groups included in the plurality of tab windows on the terminal screen;
• in response to receiving a first input for selecting the first object on the screen of the user interface:
• display a plurality of layouts in which the plurality of tab windows is to be aligned on the screen of the user interface, and
• determine an alignment configuration of the plurality of tab windows based on a selection of one of the plurality of layouts displayed on the screen of the terminal;
• in response to receiving a second input for selecting the second object on the screen of the user interface:
• select at least one application from among applications installed in the terminal to be included in each of the plurality of tab windows, and
• insert the selected at least one application into each of the plurality of tab windows;
• and
• display the plurality of tab windows on the terminal screen according to the determined alignment configuration of the plurality of tab windows based on the first input and the second input.