Dataverse API and UI use term "archival" in ways that can make users unsure of which files are included

[jggautier]

For several API endpoints that return file sizes of datasets, we use the term "archival" in ways that can make users unsure of which types of files are included in the sizes that the endpoints return. And how we use "archival" differently in the Dataverse UI might also make users unsure of what we mean by "archival" files.

When "archival" files means the files a depositor uploaded plus the .tab copies that Dataverse creates
We use the term "archival" to include "the files uploaded by users (plus the tab-delimited versions generated for tabular data files on ingest)" in:

• The documentation for the API endpoint that reports the size of files in a dataset
• The documentation for the API endpoint that reports the size of all files in a collection

When "archival" files means only the .tab copies that Dataverse creates
We use the term "archival" to mean only the tab-delimited versions generated for tabular data files on ingest in:

• The documentation for the API endpoint that reports "the size of Downloading all the files of a Dataset Version"

• The download options that users see in the UI, such as on the "Access Dataset" and "Download" dropdown menus on the page of a dataset that has .tab copies that Dataverse created