To enable a user to easily grasp a correspondence relationship between a text block and a setting item on a UI screen having a preview pane and a property pane. In a case where an operation event of a selection operation for one of text blocks within a scanned image preview-displayed in the preview pane is detected, a label is displayed for the text block, which indicates a setting item with which the text block for which the operation event has been detected is associated among the setting items displayed in the property pane.