A user control interface for controlling multiple device functionality, comprising: control regions formed on a support structure, each of the control regions comprising respective light emitting areas; a controller coupled to the control regions and configured to control which of the light emitting areas is output from respective depressible interaction devices based on one or more modes of operation of the user control interface; depressible interaction devices coupled to respective ones of the control regions, each of the depressible interaction devices comprising, a surface wall including a film layer; first through fourth side walls perpendicularly coupled to the surface wall, at least one partition wall perpendicularly coupled to the surface wall and coupled between at least two side walls, and an extension extending with respect to the at least one partition wall, the extension interacting with the respective ones of the control regions, and characterised in that each depressible interaction device further comprises: an insertable device that is received within the depressible interaction device and aligned with a respective one of the light emitting areas, the insertable device comprising a number of insertable portions corresponding to a number of cavities (1036, 1038, 1040, 1042) formed by coupling the at least one partition wall to the first through fourth walls, the insertable device being positioned underneath the film layer, a top surface of each of the insertable portions including at least one opening shaped to correspond to the one or more modes of operation of the user control interface. control regions formed on a support structure, each of the control regions comprising respective light emitting areas; a controller coupled to the control regions and configured to control which of the light emitting areas is output from respective depressible interaction devices based on one or more modes of operation of the user control interface; depressible interaction devices coupled to respective ones of the control regions, each of the depressible interaction devices comprising, a surface wall including a film layer; first through fourth side walls perpendicularly coupled to the surface wall, at least one partition wall perpendicularly coupled to the surface wall and coupled between at least two side walls, and an extension extending with respect to the at least one partition wall, the extension interacting with the respective ones of the control regions, and characterised in that each depressible interaction device further comprises: an insertable device that is received within the depressible interaction device and aligned with a respective one of the light emitting areas, the insertable device comprising a number of insertable portions corresponding to a number of cavities (1036, 1038, 1040, 1042) formed by coupling the at least one partition wall to the first through fourth walls, the insertable device being positioned underneath the film layer, a top surface of each of the insertable portions including at least one opening shaped to correspond to the one or more modes of operation of the user control interface. an insertable device that is received within the depressible interaction device and aligned with a respective one of the light emitting areas, the insertable device comprising a number of insertable portions corresponding to a number of cavities (1036, 1038, 1040, 1042) formed by coupling the at least one partition wall to the first through fourth walls, the insertable device being positioned underneath the film layer, a top surface of each of the insertable portions including at least one opening shaped to correspond to the one or more modes of operation of the user control interface.