1.Gods/Goddesses. 2.Sounds in the form of Mantras 3.Geometrical shapes and 4.Combination of Sound and Geometrical shapes,Mantra and Yantra,which form Tantra. One of the most effective Yantra is Sri Chakra of Devi. For details of Sri Chakra,google sri yantra+ramanan50. Sri Chakra and OM are interchangeable.
Do you know what language is written on the yantra?' The language written on this Yantra is Sanskrit. What is intriguing is that the Yantra contains the phrase ' Pasupathaye Namaha' The Epithet Pasupathi is for Lord Shiva and is not generally found in Sri Yantra.
They estimated its location as eight miles away and 15 degrees above the horizon. This placed it directly over the dry lake bed. They watched the stationary cloud for about an hour. Due to the eyewitness accounts, the sighting was classified as an unidentified, and was later associated with the Sri Yantra earth scraping. After the story broke, a group of artists claimed they had created the Sri Yantra. '
The ratio 1:1.618 is a golden ratio which is found all over the cosmos. Stick out your forefinger. The ratio from the first two bones is 1:1.618. Now the ratio between the 2nd middle bone and the third bone terminating at the knuckle is also 1:1.618
The Devathas were being harasses by Bhandasura and the Devas entreated Brahma, Vishnu and Shiva. Lord Shiva in his Form as Maha Sambhu performed a Maha Yaga and Lalitha Devi appeared in the Homa Kunda, Chdagni Kunda-Philosophically speaking from the Chit. Article follows on the Special Homa by Shiva. Lalita Devi appeared in Her Chariot, Sri Chakra Raja Ratha. This is the description by Brahmanda Purana and Lalithaopkyana.