Describir: Both and not either or

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