The docking function
The program has a function of superimposing windows on top of each other
You can separate the order book from the window and use it as a separate window, or attach it to another order book.
The function also allows you to pull order bookes out of the main window as a separate window,
The overlay can be made in several ways, you can arrange the windows both vertically and horizontally, one after the other, You can also insert a order book into another and use it as a table.