How can resteeming help us and what is steem chat.

Hello guys, I am new on steemit. This is my first active week on steemit.I am a writer. My cousin introduced me to steemit. I have few questions and I believe that inspite of shuffling net , I can ask steemians about my doubt.

1 How does resteeming the post which we like can help us.

2 Steemians here talk about steemchat. What's that?

If you are able to help me then please do so. I would really appreciate it.

I will keep posting my work on Steemit.

To know about my work and posts you can follow me at Hive account@honeychum.