title: Is it possible to call method of an Abstract class in derived class or any other class
body: <p>Is it possible to call method of an Abstract class in derived class or any other class. My code is below, I want to call Abstr's <code>Describe()</code> method in Program's Main method.
  Is it possible? if answer is yes how?</p>
  
  <pre><code>class Program
  {
      public void Main()
      {
          //I want to call the Describe() method here, how do i do that
          Console.ReadLine();
      }
  }
  
  public abstract class Abstr
  {
      public void Describe()
      {
          //do something
      }
  }
  </code></pre>