Answer:
The aspect of culture that the excerpt from "What For" by Garrett Hongo celebrates is family.
Step-by-step explanation:
The excerpt from "What For" by Garrett Hongo creates a mental image of a family happily interacting doing traditional things that pass from generation to generation, as it mentions the Hana cards which traditional in Japanese families to play games in the reunions, it also mentions how important are the stories that the grandfather used to tell for the narrator.