- The Five Elements: Vastu Shastra is based on the concept of five elements (Earth, Water, Fire, Air, and Space), which must be in balance for a harmonious space.
- Cosmic Energy (Prana): The idea that cosmic energy flows through the building, affecting the well-being of its inhabitants.
- Vastu Purusha Mandala: A sacred diagram used to design spaces in accordance with the flow of energy.
- Importance of Directions: Different directions correspond to specific elements and energies, influencing different aspects of life.