Application description (resource codes AD, ADCOM)

An application description record can contain these segments:
ADCOM
Common segment. Only one common segment must appear as the first segment in each record.
ADAPD
Application dependency segment.
ADCIV
Interval definition for conditional external predecessor segment.
ADDEP
Dependency segment.
ADCNC
Condition segment.
ADCNS
Condition dependency segment.
ADEXT
Extended name segment.
ADKEY
Key segment.
ADLAT
Operation user-defined late information segment.
ADOP
Operation segment.
ADRE
Remote job information segment.
ADRUN
Run cycle segment.
ADSAI
Operation system automation information segment.
ADSR
Special resource segment.
ADUSF
User field segment.
ADVDD
Operation variable values segment.
ADXIV
Interval definition for external predecessor.
Note: For a correct interpretation of the fields described as "TOD clock at last update", see TOD fields.