Describir: Elementary structural design

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