Fire has power of Tapa, Vital Air has power of motion, Sun has power of light, Moon has power of coolness, and Water has power of peace. These are primary Devatas, working day and night at our disposal.
This is eternal model of self-purification, mass-purification.
तप: (अग्नि) – कायिक,वाचिक,मानसिक exercise.
हर: (वायु/प्राण)- स्थूल दोषोंका हरण, removing weaknesses.
अर्चि (सूर्य) – Worship/Sadhna/Upasana – Concentration/Meditation on God/God’s characteristics
शोचि (चन्द्र) – सूक्ष्म दोषोंका हरण – Remove mental weaknesses
तेज (आप) – तेजन – sharpening Godly living
Take for example process of making weapons. They follow the same process in factory.
Five forms of five Devatas in our body:
अग्नि – वाणी – वाक् – Speech
वायु – प्राण – Vital air
सूर्य – नेत्र – Eyes/Seeing
चन्द्र – मन/ह्रदय – Mind/emotions
आप – रेतस/रक्त/शुक्र – Blood/Vital fluid
Purify all of them. Start your day with purification. Maintain it throughout the day!