Step 1: Understanding the Concept: 
A balanced diet is one that provides the body with all the essential nutrients in the correct proportions to maintain good health. This includes both macronutrients and micronutrients. 
Step 2: Detailed Explanation: 
The main components of a balanced diet are:
- Carbohydrates: The primary source of energy.
- Proteins: Essential for growth, repair, and building body tissues.
- Fats: A source of concentrated energy and essential for absorbing certain vitamins.
- Vitamins and Minerals: Micronutrients required for various metabolic processes.
- Water: Essential for hydration and numerous bodily functions.
- Fibre: Important for digestive health. 
The options provided list carbohydrates, proteins, vitamins, minerals, fat, and water. All of these are essential components of a balanced diet. 
Step 3: Final Answer: 
All the listed items are components of a balanced diet, so the correct option is 'All of these'.