Abstract: An operation device is provided with a GUI display unit which displays a power setting value for defining an operation power of a household appliance, and a time setting value for defining an operation time of the household appliance on an orthogonal coordinate system; and a touch operation unit which simultaneously accepts an input of the power setting value and an input of the time setting value to be displayed on the GUI display unit by an operation of letting a predetermined object touch the GUI display unit.

Abstract: A service providing method using a server that controls an electronic device from a terminal through a network, includes a first registration step of registering first path information indicating a connection relationship between the electronic device and a relay, and user information indicating an owner of the electronic device, which are transmitted from the terminal, in association with each other; a path acquisition step of acquiring second path information indicating a connection relationship between the electronic device and the relay, from service information transmitted from the electronic device; a service information acquisition step of acquiring service information that the electronic device holds; a comparison step of comparing the first path information with the second path information; and a providing step of providing the service information to the terminal, if the comparison result is inconsistent, in the comparison step.

Abstract: An information management method allows presenting the usage of each of storage areas in a visually intuitive manner, the method including: obtaining user configuration information in each of the storage areas; receiving a designated user ID and obtaining user information corresponding to the designated user ID; and displaying an image, wherein when displaying an image, a first image is displayed for a storage area that stores user configuration information regarding a user identified by the designated user ID or the user information, a second image is displayed for a storage area that stores user configuration information regarding a user different from the user identified by the designated user ID or the user information, and a third image is displayed for a storage area that stores user configuration information indicating that the storage area is not being used for any user.