Stock is nothing but the Ownership of the company divided into small parts and each part is called as Stock or Stock.
Stock is also called by different names like equity, financial security and so on. A person carrying a Stock of a company holds that part of ownership in that company. A person holding maximum Stocks carry maximum ownership and designated like Fonder, chairman, Managing director etc
A Stock market is the place where buying and selling of Stocks takes place.Now days due to internet and advanced technology there is no need to present physically in exchanges like NSE and BSE but in fact the buying and selling of Stocks can be done from anywhere through computer with internet connection.
One should have a demat and trading account, computer and internet connection and he/she can start the Stock trading or investing from anywhere.
In India there are two major stock exchanges where majority of trading takes place.Bombay stock exchange (BSE) and National Stock Exchange (NSE)
Index consists of group of Stocks.
Index denotes the direction of the entire market.
Like when people say market is going up or down that means Index is going up or down or majority of Stocks going up or down.