...that there are several different ways to post?

to start a new topic use this button

found at the top and bottom of each forum and topic

to reply to a topic use this button

found at the top and bottom of each topic next to the NEW TOPIC button. you can also reply to a topic using the FAST REPLY box which appears at the bottom of each page of each topic.

to toggle the FAST REPLY box use this button

found at the bottom of each topic next to the NEW TOPIC and ADD REPLY buttons

to reply to a specific post use this button

found at the bottom of each post

to quote multiple posts in one reply use this button

found at the bottom of each post you would like to quote and then use the ADD REPLY button