What do you mean by edge location? A site that CloudFront uses to cache copies of your content for faster delivery to users at any location.
What is availability zone? Availability zones (AZs) are isolated locations within data center regions from which public cloud services originate and operate. Regions are geographic locations in which public cloud service providers’ data centers reside.
What is latency in AWS? Latency has an impact on the performance of a system, high levels of latency often manifest as poor customer experience or a reduction in system efficiency. Typically latency is a measurement of a round-trip between two systems such as how long it takes data to make its way between two.
What is AWS point of presence? Points of Presence
The POPs are used for both AWS CloudFront to deliver content to end users at high speeds, and Lambda@Edge to run Lambda functions with the lowest possible latency.