1. A document-image-data providing device which provides document image data to an information processing device, comprising: a document image inputting unit configured to input document image data; an area recognition unit configured to recognize respective areas of document image elements which constitute the document image data; an element data extracting unit configured to extract, when a document image element of the document image data is selected in the information processing device, element data of the selected document image element from the document image data, based on a corresponding one of the areas recognized by the area recognition unit; and an element data providing unit configured to provide the element data extracted by the element data extracting unit, to the information processing device.