Only after Mr. Robert Thorn arrived at the hospital, he know his son had died at birth.
Often times, the actual object is much more expensive to create. That's why many designers and engineers create a model to represent their ideas to a group. The model is much cheaper and faster to create, especially if it needs tweaking multiple times. Also, that model can have working parts - you could take it apart to show the inside/cross-section or have interactive sections that allow easier presentation of your idea. Those are things you can't accomplish with an actual object.
By having the characters make up the plot through their actions. Seeing what the characters are doing and how they are reacting to their actions can develop a theme.
Answer:
In this excerpt of "Two Kinds", by Amy Tan, the characterization technique that the author uses is Direct Characterization. In Direct Characterization, the author tells us what he or she wants us to know about the character. He writes about the character's physical appearance, actions, attitudes, inner thoughts, and what others think about the character.
