"Pranav" means "Om''. Om has its own significance in mantras. The Pranav Upanishad tells us about different techniques for using Om in our prayers. Additionally, chanting Om helps you achieve what you want.
Listen to this episode of "Om ka mahatva (Pranav Upnishad)" of the podcast Upnishad Simplified by Dr. Shisham Aggarwal.
For more such information check out the book - https://www.amazon.in/s?i=stripbooks&rh=p_27%3ADr.+Shisham+Bansal&ref=dp_byline_sr_book_1

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