As part of the Nansen Legacy project, we have been working on spreadsheet templates for Darwin Core Archives.
https://www.nordatanet.no/aen/template-generator/config%3DDarwin%20Core
Feel free to use it to help you create Darwin Core Archives! And share it within your communities. Consider creating a link to it on your websites.
It outlines which terms are required and recommended for each core/extension. The spreadsheet templates include descriptions for each term as notes each time you select a cell. It also includes cell restrictions to prevent you from including some invalid values.
Tutorial video on how to use it - and how quick it is to publish your data afterwards - here:
