Describir: Part1: Frame structure, the Archetype of the Second Chicago School

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