Describir: The primary structures of fabrics :

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