Flashback - a literary device often employed to recall a previous event or memory in a character's mind. This device allows for background knowledge to be expanded for events that do not take place chronologically in the story arc. Often are used in first person point of view.
Answer:
As soon as Shiro saw his master he ran to meet him, wagging his tail, and, seizing the end of his kimono, dragged him under a large yenoki tree. Here he began to dig very industriously with his paws, yelping with joy all the time. The old man, unable to understand what it all meant, stood looking on in bewilderment. But Shiro went on barking and digging with all his might.
Explanation:
I'm not too sure but the other parts in the story didn't seem like companionship to me, but in here the dog is helping the old man.
A. <span>a. to inform readers based on Tan’s childhood experience
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In a movie or book? if its in a movie that probably means someone who is controlled by magic or controlling it with magic