caption: The second number tells how many units to go on the vertical, or y-axis.
exif: {"Image DocumentName": "The second number tells how many units to go on the vertical, or y-axis.", "Image ImageDescription": "If the second number is positive, e.g. (3,4), go. Up 4 units. If the second number is negative, e.g. (3,-4), go. Down 4 units.", "Image XResolution": "37", "Image YResolution": "37", "Image ResolutionUnit": "Pixels/Centimeter", "Image Software": "SlidePlayer", "Image YCbCrPositioning": "Centered"}