AWS Content Delivery Network that delivers content from locations closest to users. Like having copies of your store in every neighborhood so customers don't have to travel far.
A streaming service uses CloudFront to deliver videos faster by serving them from servers closest to each viewer.
All are CDNs that cache and deliver content from edge locations close to users. CloudFront and Cloud CDN focus on edge caching; Azure Front Door combines global load balancing, CDN, and WAF at the edge; OCI CDN provides edge delivery integrated with OCI.