Attribute: Textual description
Attribute type: S
ENC Condition:# For CTNARE and PRCARE objects, at least one of attributes INFORM or TXTDSC must be encoded.
# For S-57 Edition 3.1.1 ARCSLN, ASLXIS and NEWOBJ objects, and RESARE objects with CATREA=27 or 28, at least one of attributes INFORM or TXTDSC must be encoded.
the string encodes the file name of an external text file that contains the text in English.
The attribute 'textual description' indicates that a file containing text extracted from relevant pilot books or navigational publications is available.