Storage medium storing multimedia data for reproduction of AV data and programming function, and reproducing apparatus and method thereof

A reproducing apparatus to reproduce a title that corresponds to an application object of a storage medium, the reproducing apparatus comprising:

• a reader configured to obtain title information from an index table, the storage medium comprising the index table, audio-visual (AV) data, one or more playlist files, one or more program applications, and the corresponding application object, each of the playlist files comprising a playlist, the playlist being information to reproduce the AV data, the program applications being configured to provide interactive functions with a user and/or additional functions using the AV data, the corresponding application object comprising management information regarding an application and playlist information;
• and a controller configured to determine the corresponding application object based on the obtained title information, manage execution of the application based on the management information of the read corresponding application object, and control the reproduction of the AV data based on the playlist information of the read corresponding application object, wherein the management information comprises a name of the application, information on a life cycle of the application, and preload information comprising information on data to be preloaded, and wherein the playlist information comprises a name of one of the playlist files comprising a playlist to be reproduced along with the execution of the application.