Strawberries are considered one of the healthiest fruits. They are packed with antioxidants, lower blood pressure and protect your heart. Packed with essential vitamins and minerals, they are also sodium, cholesterol and fat free. There are 54 calories in 1 cup of strawberries (sliced, 166g) which is 1/3 the amount of calories in a banana.
It may ask you to bring the liquid of a dish to a simmer, which means to slowly bring the liquid to just below boiling point over low heat. The other common direction is to bring the liquid of a dish to the boiling point first, and then reduce it to a simmer.
I think that the term is usually used like, eg bring to a boil then simmer for 5 minutes would be, when you boil something you would normally do it on high heat...but after the ingredients are put in the pot, depending on the food you would sometimes keep the fire burning strong boil, or simmer it at low heat.