PSALI

...In addition to cove lighting, which illuminates the ceiling from a nageshi (a wooden beam), there are also techniques such as cornice lighting, which illuminates the upper corners of walls, and balanced lighting, which has a shaded area on the middle wall and illuminates the walls above and below. Other examples include daylight lighting, which handles the light coming in from windows during the day, PSALI, which is permanent auxiliary artificial lighting that is always on during the day from the window to the back of the room to match this light, air conditioning lighting fixtures that are integrated with air conditioning intakes or exhausts, task and ambient lighting that not only lights up the desk but also the surrounding area, the walls and ceiling of partitions, dimmable lighting in theaters and television studios, and floodlights using floodlights. The list goes on and on.
[Residential lighting]
The most typical and widespread application of lighting is residential lighting, which provides a pleasant place to relax.

*Some of the terminology that mentions "PSALI" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

…長押（なげし）から天井を照らすコーブ照明のほか，壁面を上隅から照らすコーニス照明，中壁に遮光帯を設け，上下の壁面を照らすバランス照明という手法もある。　そのほか，昼間の窓からの採光を扱う昼光照明，この採光と見合って，窓際から部屋の奥にかけて昼間も常時点灯する常設補助人工照明のPSALI，空調吸込口または吹出口と一体化を図った空調照明器具，仕事机の照明はもちろんのこと，その周辺，パーティションの壁面および天井面へも照らすようにしたタスク･アンビエント照明，劇場やテレビスタジオでの調光照明，投光器を使った投光照明など，枚挙にいとまがない。
［住宅の照明］
　照明分野のうちで，もっとも典型的かつ広範な応用分野は，楽しい憩いの場を提供する住宅照明である。…

※「PSALI」について言及している用語解説の一部を掲載しています。

出典｜株式会社平凡社世界大百科事典 第２版について | 情報