Here are the some of the all variables that can be involved in your business communication with your host countries. These all are applicable on verbal and non verbal communications. When talking to foreigners, following checklist would be much useful:-
1. Perception of time:-
a. Is the concept of time considered linear or circular?
b. what impact will time have upon business decisions?
c. Is time considered valuable or in an intangible asset?
2. Perception of space--------What is the average acceptable personal space between natives of the host country?
3. Perception of food:-
a. Are you aware of the eating habits of your host?
b. Are there table conventions you should be aware of?
c. Are there foods you might find disagreeable?
4. Perception of dress:-
a. How much skin may be exposed in both an informal and in a formal situation?
b. Are certain colors distributing?
c. Will western attire be accepted?
5. Perception of manners:-
a. What is the protocol regarding the introduction of persons in a business situation?
b. What are the "rules" of gift giving?
6. Perception of decision making:-
a. Is the pattern of making decisions consistent from one company to another?
b. Is placement of the major decision maker consistent in a meeting situation?
c. Is an inductive pattern of decision making preferred?
Wishing you all the best!