Item attributes Required: Required on numeric items: Optional:
{"Image DocumentName": "Item attributes Required: Required on numeric items: Optional:", "Image ImageDescription": "contextRef \u2013 refers to a context defined in the instance document. Required on numeric items: unitRef \u2013 refers to a unit (e.g., UK Pounds) defined in the instance. Optional: id \u2013 useful for associating an item with a footnote. Optional (but mutually exclusive) for non-fraction numbers: decimals. precision.", "Image XResolution": "37", "Image YResolution": "37", "Image ResolutionUnit": "Pixels/Centimeter", "Image Software": "SlidePlayer", "Image YCbCrPositioning": "Centered"}