Describir: El concepto de region /

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