I've been making sushi for 38 years, and I'm still learning. You have to consider the size and color of the ingredients, how much salt and vinegar to use and how the seasons affect the fattiness of the fish. ↗
Someone knocks at the door of an apartment to borrow salt or sugar, people run into each other in the elevator, and in this way become inscribed in the spectator's memory. ↗
Salt is a preservative. It really holds flavor. For example, if you chop up some fresh herbs, or even just garlic, the salt will extract the moisture and preserve the flavor. ↗