Yes; most licenses are non-exclusive, limited, and revocable.
license agreement
Yes, a revocable yet perpetual license can exist if the licensor reserves the right to revoke the license at any time but grants permission for the licensee to use the licensed property indefinitely. Despite being revocable, the licensee can continue to use the property for as long as the licensor does not choose to revoke it.
Copyright gives the creator of a work control over its use. A license is a way the copyright owner can allow others to use the work.
With a license, yes. Without a license, no.
No, but a license may be.
With a license, yes. Without a license, no.
If you control the copyright, anywhere. If you don't control the copyright, and don't have a license, nowhere.
Not legally, unless you own the copyright or have obtained a license from the copyright owner.
Copyright is automatic as soon as the work is fixed in a tangible medium. If you need a license to copy a book, request it from the publisher in writing.
The author of a creative design is the owner of the copyright automatically.
revocable
They need a license because it helps them to copy information or publications that are copyright protected such as books articles... so fourth. YA MON!