Dlaczego potrzebujemy właściwości w C #

Czy możesz mi powiedzieć, jakie jest dokładne wykorzystanie właściwości w języku C # i oznacza praktyczne wyjaśnienie

w naszym projekcie używamy takich właściwości jak

/// <summary>
/// column order
/// </summary>
protected int m_order;

/// <summary>
/// Get/Set column order
/// </summary>
public int Order
{
   get { return m_order; }
   set { m_order = value; }
}

/// <summary>
/// constructor
/// </summary>
/// <param name="name">column name</param>
/// <param name="width">column width</param>
/// <param name="order">column order</param>
public ViewColumn(string name, int width, int order)
{
   //
   // TODO: Add constructor logic here
   //
   m_name = name;
   m_width = width;
   m_order = order;
}  


/// <summary>
/// returns the column name, width, and order in list view.
/// </summary>
/// <returns>string represent of the ViewColumn object</returns>
public override string ToString()
{
  return (string.Format("column name = {0}, width = {1}, order = {2}.", 
        m_name, m_width, m_order));
}

/// <summary>
/// Do a comparison of 2 ViewColumn object to see if they're identical.
/// </summary>
/// <param name="vc">ViewColumn object for comparison</param>
/// <returns>True if the objects are identical, False otherwise.</returns>
public override bool Equals(object obj)
{
   ViewColumn vc = (ViewColumn)obj;
   if(m_name == vc.Name &&
        m_width == vc.Width &&
        m_order == vc.Order)
      return true;
   else
      return false;
}

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