Slightly Off topic - Dublin core value

Pardon the off-topic post, but I figured this was a knowledgeable group to
query.

Q: When declaring the value of DC.format for "traditional" web pages, two
choices seem (to me) to be appropriate: application or multi-part.  Could
anyone suggest a "most appropriate" choice?  I am thinking multi-part, yet
the "definition" for application looks more specific:
http://www.iana.org/assignments/media-types/application/

Choices: http://www.iana.org/assignments/media-types/

Thanks in advance all.

JF