What is the Difference Between Similar But Different Things, Terms, and Objects

What is the Difference between Muffins Desserts Biscuits Cookies Cupcakes Pastries Brownies Tortes

Beside meals, snakes are also important part of our life. Different snakes are eaten at different times. Some are served with tea and coffee, while some are eaten as deserts. Some types of snakes are served after frying in the oil, while others are served after baking.