Between the label body keyword (LBD:) and the end-of-label-file keyword (ELF:) four
categories of mnemonics can occur:
| 1. Label type: | LBR, LBO, LBB, LBP etc. (see below C.3.3) |
| 2. EXT: | Line extension (In practice this is only used in orthographic recording |
| 3. CMT: | followed by any comment needed |
| 4. DSC: | Indication of discontinuous recording mode, i.e. that pauses between utterances have been automatically excised during recording (see C.3.4 a) below) |