Simplicity or elimination of clutter
Things are expressed in a plain, simple, natural manner. reminds us to think not in terms of decoration but in terms of clarity that may be achieved through omission or exclusion of the nonessential
Asymmetry or irregularity
The idea of controlling balance in a composition via irregularity and asymmetry is a central tenet of the Zen aesthetic. Looking for beauty in balanced asymmetry. Nature itself is full of beauty and harmonious relationships that are asymmetrical yet balanced. This is a dynamic beauty that attracts and engages.
Beautiful by being understated
Or by being precisely what it was meant to be and not elaborated upon. Direct and simple without being flashy. Elegant simplicity, articulate brevity. The term is sometimes used today to describe something cool but beautifully minimalist, including technology and some consumer products.
Absence of pretense or artificiality, full creative intent unforced. Ironically, the spontaneous nature of the Japanese garden that the viewer perceives is not accidental. This is a reminder that design is not an accident, even when we are trying to create a natural feeling environment. It is not a raw nature as such but one with more purpose and intention.
Profundity or suggestion rather than revelation
A japanese garden, for example, can be said to be a collection of subtleties and symbolic elements. There are many ways to visually imply more by not showing the whole, that is, showing more by showing less.
Freedom from habit or formula
Escape from daily routine or the ordinary. Unworldly. Transcending the conventional. This principle describes the feeling of surprise and a bit of amazement when one realizes they can have freedom from the conventional.
An energized calm, stillness, solitude.