Yes, as "literary works," at least to the extent they contain original, copyrightable expression and are not simply copies of other non-copyrightable material. Non-copyrightable materials include works of US government, works for which copyright was never available or which has expired, facts, ideas, inventions, words or phrases, names, and so forth.
Legally, no.
Yes; they would be considered to be "literary works" as long as they contain exclusively original material.
Censorship can be used to remove copyright material if the material does not belong to you.
The copyright holder, or anyone the copyright holder authorizes.
Sufficiently original literary works are automatically protected by copyright, even email.
It can be. Notification is not required for protection.
No. A name is a trademark as in a business . Copyright is a protection of written material. Your name is not written material.
"Copyright obtained" is an unnecessarily wordy way of saying the material is protected by copyright.
Once copyright term expires, the material enters the public domain.
They won't; copyright has nothing to do with that.
No. Public domain means that the material is available for use by anyone, without copyright restriction.
You will find that most material on websites is protected under copyright. The website owner should be able to tell you who the copyright owner is. You would then negotiate a price with the copyright owner to allow you to use their material.
Thus, material must be original and published in a concrete medium of expression to be covered by a copyright. In other words, for material to be eligible for copyright protection, a tangible product must exist