How is the price on the Day-Ahead Market formed?

Why in the demand and supply curves on Day Ahead Market there is a congestion of many equal volume points with different price steps?

How are the orders aggregated and how the supply and demand curves are drawn on the Day Ahead Market?

Why in the supply and demand curves on the Day Ahead Market there are point coordinates with 2 digits after the decimal separator?

What is a price independent order and how it affects the market?

Why sometimes there is a delay in the results calculations and publication on the Day Ahead Market?

How to use the new functionality for dynamic visualization of the demand and supply curves from the Day Ahead Market on IBEX website?

Euphemia /in force from 12.10.2020/