When data publishers publish checklists, they will use a a Darwin Core Archive Taxon Core. And although the taxon core terms are already described here, what exactly to put in which field can sometimes be confusing. And there is a lot to read, like here https://github.com/tdwg/tnc/issues/1
This is a companion discussion topic for the original entry at https://data-blog.gbif.org/post/some-checklist-terms-explained/