--The quality of a communication.--
People are capable of near infinite concepts and ideas. Writing, painting, singing, talking, movies and many more are all means by witch you can convey your ideas to another. But did they get it? How clearly do your words get across a 3D object? If you drew a picture of a celebrity would people that see it recognize the celeb?
Art is simply how well you can use the tools and techniques of any medium to get that medium to communicate a thought, person, action, feeling, you name it.
I once saw a painting that I was told was done by a pro. When I looked at it, I nor anyone could tell what the point was of the painting. Thus he was not a pro at all.
"In the movie, you see the battle field and right away you know this is going to be epic. The music starts slowly and your heart starts pounding. You see the ferocity on faces and feel the desperation these people had. The weapons shatter under steel and muscle. It was only then that I realized what it must have been like and what these people had to go through to win their freedom." Now that is art.
The means to make planning an actuality. Any system of translation of thought into reality. (mostly used when talking about how to organize people or activities of people. This word also applies to things done that may not directly relate to what the person or group is trying to do such as paper work and working out schedules)
When a President takes office he must select people that will get the results he wants. This is all apart of his administration.
Is in fact an extended degree of responsiveness on the part of a machine to fulfill it's purpose. It is a toaster that notes that the toast is darkening very quickly but the setting is on light brown. It is a car's service light coming on because an unexpected condition that might otherwise be missed by the owner could very well cost him thousands in repairs.
This new line of car has an artificial intelligence built in designed to anticipate how a passenger could be harmed and counter in such a way as to make nearly any accident on the road not just survivable but nearly harmless to the passengers.