What is Order Book and Trade Book?

Order book: Order book shows all the buy and sell orders placed in the market. Suppose, you have placed an order to buy 70 shares of a company at Rs 100, it will show in the order book. They key components of order book are buy orders (bid), sell orders (asks), price at which orders are placed, and order size.

Trade book: Trade book shows all the buy and sell trades executed in the market. In the above example, if your trades executed, it will show in the trade book.