If you meant how to communicate in a business setting: Keep eye contact to show confidence and build rapport...see what type of individual they are. If they are very strict and formal, keep it all business; if they are relaxed, try to have fun also. Respect their personal space if you don't know them, & give them your full attention. These are the basics...it is very important who you are talking to, where you are, & what the purpose of the talk is. The psychology of communication is a deep subject... If you meant how we communicate for business purposes: E-mail & phone mostly.... Then there are file-sharing programs like Dropbox, or you can build your own internal network which is what a lot of larger corporations do for safety and efficiency purposes. A lot of larger corporations give their important employees smart phones for these reasons. Pretty much any file creation program has some network feature built into it. Technology is changing pretty quick though, and so are these methods... Hope this helped...

You can just look through some english business dictionaries.

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