Vernacular

1. Of or pertaining to everyday language, as opposed to standard, literary, liturgical, or scientific idiom.
2. Belonging to the country of one's birth; one's own by birth or nature; native; indigenous.
3. (architecture) Of or related to local building materials and styles; not imported.
4. (art) Connected to a collective memory; not imported.

Synonyms

• (of everyday language): common, everyday, indigenous, ordinary, vulgar, colloquial
• (architecture): folk