...
transcripts, captions
Iframes
unique if using ids in iframe code, use unique ids
https://learn.canvas.cornell.edu/getting-started-with-kaltura/
Use the title attribute to describe the iframe's content: https://www.w3.org/WAI/WCAG21/Techniques/html/H64
<iframe src="LINK" title="Kaltura video: TITLE OF VIDEO">