caption: an example of the functional template
exif: {"Image DocumentName": "Functional TemplateThe functional specification template allows you to unambiguously define the external functions provided by the product.", "Image ImageDescription": "classes and inheritance. externally visible attributes. external functions provided. relationships with other classes or parts. Where possible, specify the behavior of each function or method with a formal notation.", "Image XResolution": "37", "Image YResolution": "37", "Image ResolutionUnit": "Pixels/Centimeter", "Image Software": "SlidePlayer", "Image YCbCrPositioning": "Centered"}