Adr 

 address 

 address 

 BCD 

 binary coded decimal 

 binary decimal 

 bn, bufno 

 buffer no. 

 buffer partition number 

 bufnum 

 buffer numbers 

 total number of buffer partitions 

 CI 

 coding information 

 coding information 

 CN 

 channel no. 

 channel number 

 Ctrl 

 control 

 control 

 dst 

 destination 

 Copy / move 

 fad 

 frame address 

 frame address 

 fasnum 

 fad sector numbers 

 frame address sector count 

 fid 

 file identifier 

 file identifier 

 fln, filtno 

 filter no. 

 aperture number 

 FN 

 file no. 

 file number 

 LSB 

 least significant bit 

 least significant bit 

 MSB 

 most significant bit 

 most significant bit 

 ply 

 play parameter 

 play parameter 

 pos 

 position parameter 

 position parameter 

 SM 

 submode 

 submode 

 sct 

 sector 

 sector 

 ses 

 session information 

 session information 

 sesno 

 session no. 

 session number 

 snum 

 sector numbers 

 Number of sectors (partition sector Range)) 

 sp, spos 

 sector position 

 Sector position Sector range) 

 src 

 source 

 Copy / move 

 stat 

 CD status information 

 CD status information 

 subh 

 subheader condition 

 Subheader condition for aperture 

 TNO 

 track no. 

 Track number (track number ) 

 toc 

 TOC information 

 TOC information 

 txwnum 

 transfer word numbers 

 Transfer word count (word Data transfer size) 

 X, idx 

 index 

 index number 

 word 

 word 

 word. A unit of length of 2 bytes (16 bits).