Live preview is:
Regeneration of affected content upon any change to
.njk files ... anything your content depends on!source files, then reloading the updated site in the Browser.
Regeneration will also occur upon any modification to attributes in
site.json with the exception of
Copying files that don't affect page generation (eg. images), but are used in the siteassets to the site output folder.
serve command to launch a live preview.
.mbdextension indicates a MarkBind source file.
MarkBind is able to take Markdown files (
.md) and HTML files (
.html) as source files too.