At first fixed fields seem abstruse. Soon the more common ones will become second nature. See the bibliographic utility's coding manual or MARC21 for codes not included here. National Library of Medicine call number. On OCLC keyed like 050 and used for locally assigned LCC numbers.
Most videos are of mixed responsibility and are entered under title.
If the work is the annual report of a corporate body, the report of a task force, or some such, the corporate body is the author. Most videos are of mixed responsibility and are entered under title. If what you have is conference proceedings, the name of the conference is the author. Most videos are of mixed responsibility and are entered under title. For the Bible you give language and date.