The phrase "various dialects" means different forms or versions of a language that are specific to certain regions or groups of people. Full definition
The seven drawings created for his exhibition at the Hammer Museum clearly demonstrate the artist's fluency in various dialects of the common abstract language, resonating with Constructivist and Minimalist tones and with a few refrains in less analytical abstract traditions. (hammer.ucla.edu)
What better way than by communicating who we are through various dialects of modern culture? (relevantmagazine.com)
Every country has its own sign language with various dialects, which are based on different rules than the spoken language. (sciencedaily.com)