communication will be conscious of the cultural diversity and its significance. learning through observation reading, and asking good questions both to yourself and to people of the target language will be most helpful.
Again, if one takes for granted that whatever believes is the only right way s/he tends to be culturally ignorant, which results in a failure to communicate. on the other hand, if one keeps sharpening their tools of communicative strategies s/he tends to open up for the big world of intercultural communication in which s/he tends to succeed.