Describir: Sources of design :

  _____    _    _    _    _     ______    _____    _    _     _____   
 / ____|| | || | || | \  / ||  /_   _//  /  ___|| | || | ||  |__  //  
/ //---`' | || | || |  \/  ||   -| ||-  | // __   | || | ||    / //   
\ \\___   | \\_/ || | .  . ||   _| ||_  | \\_\ || | \\_/ ||   / //__  
 \_____||  \____//  |_|\/|_||  /_____//  \____//   \____//   /_____|| 
  `----`    `---`   `-`  `-`   `-----`    `---`     `---`    `-----`  
                                                                      
   ___    
  / _ \\  
 | / \ || 
 | \_/ || 
  \___//  
  `---`