Storage medium storing program management information, and reproducing method and apparatus

A reproducing method, comprising:

• reading management information from a storage medium storing movie mode data comprising moving-image data and navigation commands for reproducing the moving-image data, a plurality of program applications providing additional functions using the moving-image data, system data controlling execution of the movie mode data and the program applications, and the management information managing execution of the program applications in units of titles, the management information comprising information indicating whether a program application managed by the management information is a title-bound program application which is terminated when a title is changed or a title-unbound program application which continues running when the title is changed;
• controlling the execution of the program applications in the units of titles based on the read management information;
• and
• determining whether to terminate a running program application or not based on the management information when a title is changed.