1. System, comprising: detection means for detecting a visual field of a user being directed onto a display; speech recognition means for recognizing speech information of the user; and control means for controlling the system; wherein, as a function of the speech information given by the user and recognized by said speech recognition means, and as a function of the visual field recorded by said detection means, said control means displays specifically defined information data linked to the detected visual field and the recognized speech information on the display; and wherein said control means activates said speech recognition means only if said detection means detects that the user's visual field is directed to the display.