Waht's the relationship between Wikibase and MediaWiki? Is Wikibase a MediaWiki extension? The GitHub readme.md says that Wikibase is multiple MediaWiki extensions and also "other components". Which extensions and components? Thanks.
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The mention of "other components" refers to a full-featured Wikibase install, as illustrated in the diagram on the top of this page: Wikibase/Maintaining
There are instructions for installing just the Wikibase extension(s), which these days is a fairly uncommon use case: Wikibase/Installation
You will probably have the best experience using our Docker images, until our Suite team finishes their work on the mechanics of the manual install, and we can update the now quite out-of-date docs: Wikibase/Suite
OK, I researched a bit more and found Extension:WikibaseRepository and Extension:WikibaseClient. If I wanted to set up a very basic Wikibase, would all I need to do is install MediaWiki core and Extension:WikibaseRepository?