Ideas that have been expressed in a tangible medium can be protected by copyright. Ideas for improving processes can be protected by patent law.
At this time, fashion is not protected by copyright, but this is under discussion.
A poem is considered a form of literary work and is protected under copyright law as a creative expression of ideas and emotions. The specific arrangement of words and unique structure of the poem are what is protected, rather than the ideas or themes themselves.
Trademark yes copyright no.
Drugs and other pharmaceuticals are protected under the patent laws not under the copyright laws.
A website is considered a "literary work" under copyright law.
No ideas are not necessarily under copyright law. If you publish it on the web, a book, and/or record it, the copyright is yours but the "idea, procedure, process, system, method of operation, concept, principle, or discovery" you have described is free of any copyright. Some ideas can be protected to the limited extent that they are implemented in a patented invention. Other ideas are protected merely by keeping them secret.
Technology would typically be protected by patent law, with the exception of software, which can fall under both copyright and patent.
If it is no longer protected by copyright, there are no rights to obtain.
Yes, "It's a Wonderful Life" is protected under copyright law. The film was first released in 1946, so it is still within the copyright protection period.
They aren't; such inventions would be protected by patent law.
No, you cannot copyright your voice as it is considered a natural and inherent part of yourself and not a tangible form of expression that can be protected under copyright law.
To ensure your work is protected under copyright law, you should create the work in a tangible form, such as writing it down or recording it. You should also include a copyright notice with your name, the copyright symbol , and the year of creation. Consider registering your work with the U.S. Copyright Office for added protection.