They are literally the same thing. "Intellectual property" comprises copyright, patent, trademark, and trade secrets.
>Also the presentation of something is an idea just like the something itself, so
This is exactly what copyright is. Copyright is based on the argument that the presentation of an idea is a unique correspondence to the idea, and constitutes a tangible item to which property value is attached. It's not intangible and ephemeral (an idea) or concrete and unremarkable (a piece of paper that the idea will be written on).
>Also the presentation of something is an idea just like the something itself, so
This is exactly what copyright is. Copyright is based on the argument that the presentation of an idea is a unique correspondence to the idea, and constitutes a tangible item to which property value is attached. It's not intangible and ephemeral (an idea) or concrete and unremarkable (a piece of paper that the idea will be written on).