Hi Nani! Simply pick a catagory on the home page and open it by left clicking on it:
Christian Forum Site - Friendly Christians only community

Then you have an option of starting your own discussion by clicking on the new thread button or you can read the other posts ans see if you want to contribute to it or ask questions. This can be accomplished by clicking on the post reply buyyom. I reccomend reading some of the posts just to get an idea of what is going on here! Did I mention that you should read this first?:

Have a great time Nani!