1. An image processing system comprising: an image input unit that inputs an image; an area extracting unit that extracts areas from the image input by the image input unit; an area relation extracting unit that extracts a relation between the areas extracted by the area extracting unit; a storing unit that stores the relation between the areas extracted by the area relation extracting unit and the image input by the image input unit in association with each other; a relation analyzing unit that analyzes the relation between the areas stored by the storing unit; and an image display unit that displays the associated area stored in the storing unit in accordance with an analysis result by the relation analyzing unit on an image screen, wherein the image display unit displays an explanation in characters, the explanation (i) is generated based on the analysis result and (ii) relating to another of the areas that is not displayed on an image screen and that is adjacent to the displayed area in the input image.