Hi, I am a beginner of scripting. And I currently encounter some scripting problems: 
1. I don't understand the term "flag" in the tutorials. I mean, what will it do?
2. What does the "x" means in the command flag(x,on)?
3. Can I "see" a flag?
4. Can I make a specific crew member to talk if there is more than one crew member in a room?
I hope my questions will not be too difficult to answer.
(Sorry for the bad English, if there is any)
1. I don't understand the term "flag" in the tutorials. I mean, what will it do?
2. What does the "x" means in the command flag(x,on)?
3. Can I "see" a flag?
4. Can I make a specific crew member to talk if there is more than one crew member in a room?
I hope my questions will not be too difficult to answer.
(Sorry for the bad English, if there is any)