The specific wording varies from country to country, but in general the work must have some amound of originality and creativity, and it must be fixed in a tangible medium. Fixing doesn't necessarily requre a material form, though: digital works are also considered to be fixed.
To encourage creation of new works by making it financially viable to create for a living.
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
maybe
kitchen material is a material does not exist other.
None. In fact since 1989 a copyright notice isn't even required for protection to exist.
It isn't necessary to do anything for copyright protection to exist. In most countries copyright is established as soon as an original work is completed and "fixed in a tangible medium". If you decide that you do want to formally register your copyright you will have to consult the Copyright/Intellectual property office in your area.
Creation
The word, "dis," does no exist, and the creation of the word, "dis," will never happen.
Nothing existed before creation because nothing was created. Only God existed.
No, this material doesn't exist.
That it, and we, exist.
Not for people with copyrights!