Inform

An informative video would give someone facts or information.

For example:

Educate

An educational video would give someone training to help with learning about a particular subject.

For example:

An entertainment video would provide someone with amusement or enjoyment.

For example:

A promotional video will try to raise awareness, sell or advocate to your audience.

For example:

A persuasive video will try to influence or convince your audience.

For example:

An instructional video will give step by step details to perform a task or achieve an outcome.

For example: