CO or variants may refer to:
Copyright infringement (colloquially referred to as piracy) is the use of works protected by copyright law without permission for a usage where such permission is required, thereby infringing certain exclusive rights granted to the copyright holder, such as the right to reproduce, distribute, display or perform the protected work, or to make derivative works.
The copyright law of the United States is intended to encourage the creation of art and culture by rewarding authors and artists with a set of exclusive rights.
Copyright is the exclusive right given to the creator of a creative work to reproduce the work, usually for a limited time.
A computer program is a collection of instructions that performs a specific task when executed by a computer.
A computer is a machine that can be instructed to carry out sequences of arithmetic or logical operations automatically via computer programming.
The Cold War was a period of geopolitical tension between the Soviet Union with its satellite states (the Eastern Bloc), and the United States with its allies (the Western Bloc) after World War II.