Glossary

Term	Definition
Container	A running instance of an image
Host Computer	The computer you are using, i.e. the host runs a container from an image
Image	A file that contains pre-built software; also called container image
Registry	An online place to store and retrieve images
Tag	An identifier of a particular version of an image, e.g. latest
URI	Uniform Resource Identifier, which points to an image on a registry