Our deputy manager is the virtual head of the business.
In this sentence the manager is the real person who in charge.
There will be a virtual presenter and virtual guests who will help create the atmosphere of a beauty contest.
Here the presenter and guests are all fake.
This virtual really confuses me.

realandvoidto describevirtual. Anyway thanks for the link, I will go through it. – Deqing Jul 25 '12 at 8:17realandvoidto describevirtual." That's key information, and it serves two purposes: (1) it lets others know that you've done some preliminary research, and (2) it helps others understand where your source of confusion is. It would be good advice to carefully include such clarifications into future questions if you continue to ask questions here at EL&U. Context (where you found these sentences) helps, too. In general, questions which include such details are better received than those where the background information is scant. – J.R. Jul 25 '12 at 9:04