What a person should do to comprehensively understand and accept diversity of language?
Introduction: understanding basic concepts
Standard American English
Language Variety
African American Vernacular English
...
Slang
Accent
Code Switching
Code Meshing
Further understanding: What is common language?
Core English+ people's dialects
Origin of dialect: people's diverse cultural background
Function of dialect: help distinguishing people's different cultural background
Factors that may determining a person's language
Family background
i.e. Amy Tan: Mother's tongue
i.e. Cisneros: Only Daughter
Another Language
Language of Nature: Kimmerer: Speaking of Nature