However, from such a town, aircraft can be seen up close..... The number of flights to and from the airport on the outskirts of town seems to increase in the morning and evening. One plane takes off, and even though it’s still flying in a straight line, the next plane takes off a few minutes later. Landing and take-off courses to that airfield change frequently. It depends on the direction of the wind. Depending on the direction of the wind, the route to and from the airport changes in the opposite direction. And if the weather seems to change suddenly, the plane will approach the airport from another direction. Can functionality be extended? I want you to know that the factor that constrains the functionality of things is their scale. Functionality is limited capability and does not scale without limits. Functionality should be suppressed rather than enhanced. Because functionality is formless, afterthought, and immaterial behaviour. As l...