Best if you search for on-site guidance, such as
https://home.ourhome2.net/showthread...ages-In-a-Post
https://home.ourhome2.net/showthread...rivate-Options
a more complete on-line guide is here:
https://home.ourhome2.net/faq.php?faq=vb3_board_faq#faq_vb3_board_usage