The informationseparator (IS) is used for the logical structuring of the data
. The ranking of the information separators is based on the digit
. If the rank order, which knows the separators IS1 to IS4, is used in this sequence, then the subgroup is the smallest unit.Unit Separ ator (US), IS2 is the subgroup separator, the Record Separator (RS), IS3 is the group separator, the Group Separator (GS), and IS4 is the main group separator, the File Separator (FS).