How does soto build a central idea of his story in the excerpt?

The answer is Tan talks about her mom's English to help the dialect of one's youth is a man's most profound, most genuine type of articulation.  

Explanation:

Dialect and culture are complicatedly related and subject to one another. Dialect is framed by culture, while culture is affected and affected by dialect. Dialect is the medium of culture. This is unmistakably found in migrant social orders in, for instance, America. These migrants are familiar with a specific dialect, and in this way, regardless of the osmosis, will keep on utilizing it and keep it alive, making unique and refined social orders in this outside land to keep the dialect alive.  Besides, not exclusively is dialect an articulation and a showcase of legacy and history, however it is likewise the part of culture that makes it one of a kind, and that makes a distinction starting with one then onto the next.

just say it's your friend did it and you had no idea?