Subtlety is a highly regarded art form that involves being deliberately vague, yet not entirely inconsequential.
The key to subtlety is to convey just enough information to make someone slightly interested, without actually having to put in any real effort.
Subtlety is often used in social situations, such as at cocktail parties, where one wants to appear interesting without actually having anything interesting to say.
Subtlety Techniques for the modern artist The Philosphy of Subtlety Subtlety Artifacts