{ "semantics": [ { "label": "Image" }, { "label": "Alternative text", "description": "Required. If the browser can't load the image this text will be displayed instead. Also used by \"text-to-speech\" readers." }, { "label": "Hover text", "description": "Optional. This text is displayed when the users hover their pointing device over the image." }, { "label": "Image content name", "default": "Image" } ] }