An AV Clip generated by multiplexing video and graphics streams is recorded on a BD-ROM. In accordance with the method of the present invention, a data of a minimum quantity required for executing a data application is received the digital broadcast network and other data is received by a pull method to minimize a time required for receiving and executing the data application. The test accessory is movable between a first position away from a tool and a second position closer to the tool. A P type base region 37 having substantially the same depth as that of the groove 34 and adjacent to the side wall of the groove 34 is formed in a surface layer of the P type well region 36. A medical device or instrument for introduction into human cavities having a hydrophilic coating and a method of producing such a medical device or instrument. Each system input can include a plurality of data points, such that at least one of these data points is from a different data source to at least one other of those data points.