If this system is shaken up, tiny oil droplets will form. And if the phospholipids are still present in the system, they will again orient themselves along the oil-water interface similarly as described above. But now, when the water "sees" the oil, it does not "see" the oil, but rather the "K", and the oil will remain suspended in the water. So, in a sense, the phospholipid is acting as a "bridge". When the oil droplets are held in the water in such a manner, it is now said to be "L" . "K"

In the context of your description, it seems you are discussing the behavior of emulsions, where oil droplets are dispersed in water with the help of phospholipids acting as emulsifiers. In this scenario: - "K" likely refers to the phospholipids or emulsifiers that stabilize the oil droplets in the water by orienting themselves at the oil-water interface. They reduce the surface tension between the oil and water, allowing the oil droplets to remain suspended. - "L" would refer to the emulsion itself, which is a stable mixture of oil and water. Emulsions can be classified as either oil-in-water (O/W) or water-in-oil (W/O), depending on the continuous phase. So, to summarize: - "K" = Phospholipids (or emulsifiers) - "L" = Emulsion (the stable mixture of oil and water)