‘Art of Living’ is a rhetorical expression that refers to certain skills necessary for living a good life.

The word ‘art’ here refers to the skills while the word ‘living’ refers to the way or manner of life.

Thus, the phrase ‘art of living’ means the capability of leading a good life.

A person who has such skills and can utilize these skills to lead a better life than the ordinary is usually called a ‘Life-Artist’.