Every kitchen and about every recipe uses salt, it certainly is an essential part of the kitchen and there are many tricks and uses for it. If you every add too much salt and your food tastes salty, a teaspoon of cider vinegar and a teaspoon of sugar will help remedy the situation. If you ever get frustrated with lumpy flour, well, add a little salt. Remember to salt the water when you boil not before, that will slow down the boiling of the water.
Just some quick little tips about salt that you can keep in your recipe book.