what is the meaning of this first symbol?
In Hinduism, the right-facing symbol (卐) is called , symbolizing ('sun'), prosperity and good luck, while the left-facing symbol (卍) is called , symbolizing night or tantric aspects of Kali.
Swastika
The word "swastika" comes from , meaning 'conducive to well being'. In Hinduism, the right-facing symbol (卐) is called , symbolizing ('sun'), prosperity and good luck, while the left-facing symbol (卍) is called , symbolizing night or tantric aspects of Kali. 
where does most of the salt we eat come from Seawater. what is it composed of? Primarily of sodium chloride. what are its health benefits? The sodium present in salt helps nerves and muscles to function correctly, and it is one factor involved in the osmotic regulation of water content in body organs. is it used for religious purposes? Yes, it is used in various religious ceremonies of Hinduism, Jainism, Buddhism and Shintoism. what are the beliefs of the second religion? Jainism is transtheistic and forecasts that the universe evolves without violating the law of substance dualism, auto executed through the middle ground between the principles of parallelism and interactionism. can you mention some of their vows? The "Sallekhana" vow is a ritual to be observed at the end of life. what is their symbol? The swastika, "Om" and the "Ashtamangala".
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Swastika [SEP] Introduction
The swastika continues to be used as a symbol of good luck and prosperity in Hindu and Buddhist countries such as Nepal, India, Mongolia, China and Japan. It is also commonly used in Hindu marriage ceremonies. The word "swastika" comes from , meaning 'conducive to well being'. In Hinduism, the right-facing symbol (卐) is called , symbolizing ('sun'), prosperity and good luck, while the left-facing symbol (卍) is called , symbolizing night or tantric aspects of Kali. In Jainism, a swastika is the symbol for Suparshvanatha – the seventh of 24 Tirthankaras (spiritual teachers and saviours), while in Buddhism it symbolizes the auspicious footprints of the Buddha.