Lord Shiva explains about his work and nature in Shivapurana's Vidyeshwarsamhita; He says that " ॐ" is the most auspicious mantra and it is his nature and character. There are some videos also and it is proven that the sound of the universe is 'ॐ'. Link - https://youtu.be/84VIZ6d0nUk Omakar has 5 parts - अ, उ, म्, बिंदु dot •, & sound (half curve in the symbol ॐ) Shiva says that remembrance of Omkar is the rememberance of Lord Shiva. As Omkar has got five parts, Lord Shiva has also five major works which are unibersal and incessantly proven. These five works are - CREATION, COMPLIANCE (UPBRINGING), DESTRUCTION, DISAPPEARANCE (ANONYMOUSNESS), GRACE (BENIGNITY) First 4 are the expanding factors of this world but fifth one is the cause for the salvation that is Nirvana or emancipation. Creation exists in earth element. Compliance / upbringing exists in water element. Destruction exists in fire element. Disappearance exists in air (vayu) element. Grace exist...