This is what is known as causation. Many events appear to be the results brought about by identifiable causes, and the human mind is geared to look for these cause/effect relationships. We get into trouble when the mind seeks or creates an artificial cause/effect relationship that doesn't actually exist.
Copy means written words or text of any kind in various genres. Ad copy means text written specifically to sell something. Body copy refers to text that is in the middle or main part of a piece of writing. Sometimes it's easier to define something by what it isn't.
The definition of a copy is an exact duplicate of someone or something. An example of copy is a print from a digital photo. Copy means to repeat something that someone else already did. An example of to copy is a dancer watching a choreographer dance and then doing the same dance moves.