What is the difference between save and export in Docker?

Question

I am playing around with Docker for a couple of days and I already made some images (which was really fun!). Now I want to persist my work and came to the save and

Answer 1

Technically, save/load works with repositories which can be one or more of images, also referred to as layers. An image is a single layer within a repo. Finally, a container is an instantiated image (running or not).