Describir: Type choices for identity systems /

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