Dublin Core Uses

There are several Dublin Core Uses... but what are the models behind them? Are they the same? Are they different? If they are different then does this mean that Dublin Core is more like a brand name than a metadata standard?

RSS: https://web.resource.org/rss/1.0/modules/dcterms/
HTML: https://www.dublincore.org/specifications/dublin-core/dcq-html/; https://www.dublincore.org/specifications/dublin-core/dc-html/
HTML: https://www.hjp.at/doc/rfc/rfc2731.html ; https://www.ietf.org/rfc/rfc2731.txt

Note that in https://www.ietf.org/rfc/rfc2731.txt they use DC1.0

When another application profile "borrows" the DC property/term/element... how do they borrow it? https://exiv2.org/tags-xmp-dwc.html

Cataloging Serials

https://archive.org/details/podcast_electronic-serials-cataloging_386018207
https://wiki.rice.edu/confluence/display/METACAT/Cataloging+Continuing+Resources
https://www.tandfonline.com/doi/full/10.1080/01639374.2017.1388324
https://www.tandfonline.com/doi/abs/10.1080/1941126X.2018.1494014
https://wiki.rice.edu/confluence/display/METACAT/Cataloging+Continuing+Resources
https://web.library.yale.edu/book/export/html/570
https://github.com/WeblateOrg/language-data

https://alcts.libguides.com/alcts_standards/continuing_resources

https://www.tandfonline.com/doi/abs/10.1080/01639374.2017.1388324?journalCode=wccq20
https://alcts.libguides.com/alcts_standards/continuing_resources
https://www.loc.gov/aba/pcc/conser/word/Module0.docx
https://www.loc.gov/marc/bibliographic/bd008s.html
https://www.ala.org/alcts/confevents/upcoming/webinar/031815
https://archive.org/details/podcast_advanced-serials-cataloging-_386018196
https://archive.org/details/podcast_electronic-serials-cataloging_386018207
https://www.ala.org/alcts/mgrps/crs/

RDA & WEMI
http://www.mlalibrary.org/resources/Documents/Quickand%20DirtyRDA_MLA2016_TracyPizzi.pdf