what is the difference between forex and stock market?

In stock market you trade in shares and futures and options of those scrips.
In forex market, you deal with currencies.

BTW : I understand forex trading is not strictly legal in India and trading in forex has its own issues, which are not there in stock market.
The FOREX is the largest financial market in the world, with transactions worth $1.5 trillion every day. By comparison, all the American stock exchanges combined handle about $100 billion. The huge volume of FOREX allows it to be 1 of the most liquid markets in the world. There is always a buyer and seller for any type of currency, because the world economy relies on the movement of goods from country to country. The stock market is less liquid because participants may choose to hold their investments indefinitely or move on to other markets !!

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There are so much difference between Forex trading and stock trading.In stock trading we buy or sell the share(different type of share of different company)But on the other hand in forex trading we buy or sell the currency of the different country.Forex trading is more reliable as compare to stock trading.And i prefer to Forex trading because in forex trading we get money back with profit in short time.I hope all of agree with me if i am wrong then correct me