how does the xml files work in the c# code example

Example 1: How to read a XML on C#

XmlDocument doc = new XmlDocument();
            doc.Load(path);
            doc.Save(Console.Out);

            foreach (XmlNode node in doc.DocumentElement)
            {
                string word_name = node.Attributes[0].Value;
                string word_translation = node["name of node"].InnerText;
            }

Example 2: how to create xml file in c#

new XDocument(
    new XElement("root", 
        new XElement("someNode", "someValue")    
    )
)
.Save("foo.xml");