caption: Header Records The first record in a direct file may be used to store special information. Number of records used.
exif: {"Image DocumentName": "Header Records The first record in a direct file may be used to store special information. Number of records used.", "Image ImageDescription": "Location of first record in key order sequence. Location of first empty record. File record structure (meta-data) In languages with the RRN model Pascal, variant record facility must be used. In C++, the header record can be of different size from the rest of the file records.", "Image XResolution": "300", "Image YResolution": "300", "Image ResolutionUnit": "Pixels/Inch", "Image Software": "SlidePlayer", "Image YCbCrPositioning": "Centered"}