CO or variants may refer to:
Copyright infringement (colloquially referred to as piracy) is the use of works protected by copyright law without permission, 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 a legal right, existing in many countries, that grants the creator of an original work exclusive rights to determine whether, and under what conditions, this original work may be used by others.
A computer program is a collection of instructions that performs a specific task when executed by a computer.
A computer is a device that can be instructed to carry out sequences of arithmetic or logical operations automatically via computer programming.
Costa Rica ( (listen); Spanish: [ˈkosta ˈrika]; literally "Rich Coast"), officially the Republic of Costa Rica (Spanish: República de Costa Rica), is a country in Central America, bordered by Nicaragua to the north, the Caribbean Sea to the northeast, Panama to the southeast, the Pacific Ocean to the southwest, and Ecuador to the south of Cocos Island.
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.