Abstract: A cooking assistance terminal includes a display unit and an acceptance unit. The display unit displays a list of ordered items included in order information from a customer. The acceptance unit accepts a selection command to select an ordered item with cooking completed, from the ordered items displayed in the list. The display unit also displays the ordered item on which the selection command is given, identifiably from the other ordered items, as an ordered item that is already cooked.

Abstract: A wearable terminal device includes: a head mounted display including a monitor display unit; a line-of-sight detecting unit for detecting a line-of-sight position of a wearer; a sound collecting unit configured to collect sound uttered by the wearer; a sound recognizing unit configured to recognize a sound command from the wearer on the basis of the collected sound; an operation unit configured to receive operation corresponding to the detected line-of-sight position or operation instructed by the recognized sound command; a setting unit configured to set an operation mode corresponding to work of the wearer out of plural operation modes; and a control unit configured to control, in the set operation mode, display of the monitor display unit corresponding to operation by the wearer.