Sure, we are here to help.
But we help you to learn, not to spoonfeed you.
The answers to your questions can all be found on this forum in 5 minutes.
It is really really basic.
Please use the forum's searchfunction in order to find them. That will show us, that you are willing to learn and put some time into it. You not only have to search but you have to search in the right place.
See I helped you and told you where to search