Of course, there is a perception that architecture design is a part of system design, and of course non-functional requirements can be included in this broad system design, so that stackability can also be used as a concept for system design. But I firmly do not advocate this! Because this will make the design becomes unclear, or even ignore a lot of non-functional requirements, lost a lot of architectural innovation opportunities.
Not long ago, I found a very wonderful thing, it is colorful office chairs. This office chair gives you a comfortable backrest while you work, a comfortable seat for you when you're tired of work, and even a colorful visual experience when you're bored with work. Is not such a good chair in your life? To make your life rich and colorful is not boring it?
Therefore, the office chair manufacturer tells you that when deciding to purchase a product, the market reputation and background of the supplier of the product must be fully evaluated to ensure that the selected product has the same 5-year limited warranty in addition to its good quality.
So the softness of the cushion is too high or too low will not work, although this also involves a person's weight, but the quality is really good cushion, there will still be a certain degree of weight bearing, even if the user sitting on a long Above, it does not feel overly tired either.