Read the sentences and say in which of them mean is

Read the sentences and say in which of them mean is a noun (n ; a verb (r .
1 English is a means of international communication.
2 What does the word quot;preventquot; mean? It means to stop something from happening or to stop doing something.
3 What does the author mean when he says. quot;Conflict is a natural thing in life?quot;
4 Can I use your dictionary? By all means.
5 That sign meant nothing to me.
6 I never meant that you should come alone. You could have taken anyone with you.