1. A computer readable recording medium storing an executable data structure for managing an interactive graphic stream, comprising: a main data file in which an AV stream and an interactive graphic stream are multiplexed, the interactive graphic stream including an interactive composition segment having graphic information for configuring an interactive graphic image, the interactive composition segment including, mask information indicating whether a user operation with respect to the interactive composition segment is forbidden, the mask information including sound mask information for indicating whether a sound-off user operation of the sound data is prohibited or not during the interactive display, and a button data structure providing reproduction management information for the interactive graphic image, the button data structure including, a normal state information field including information for the normal state of the graphic image, a selected state information field including information for the selected state of the graphic image, the selected state information field including a first identifier indicating first sound data to be reproduced when the interactive graphic image is selected, and an activated state information field including information for the activated state of the graphic image, the activated state information field including a second identifier indicating second sound data to be reproduced when the interactive graphic image is activated; and a sound file including the first and second sound data, each of the first and second sound data being represented by an associated sound identifier, the sound file being a separate file from the main data file.