Presentation Zen: 7 Japanese aesthetic principles to change your thinking
Kanso - Simplicity or elimination of clutter.
Enso Fukinsei - Asymmetry or irregularity.
Shibui - Beautiful by being understated, or by being precisely what it was meant to be and not elaborated upon.
Shizen - Naturalness. Absence of pretense or artificiality.
Yugen - Suggestion, rather than revelation.
Datsuzoku - Freedom from habit or formula.
Seijaku - Tranquility. An energized calm, stillness, solitude.