앞서 얘기한대로 설명은 따로 없습니다.
배열 변수가 모아져 있으니
각각에 대한 설명은 코멘트로 나누면 될듯합니다.

$board Array
(
[bo_table]
[gr_id]
[bo_subject]
[bo_admin]
[bo_list_level]
[bo_read_level]
[bo_write_level]
[bo_reply_level]
[bo_comment_level]
[bo_upload_level]
[bo_download_level]
[bo_html_level]
[bo_link_level]
[bo_trackback_level]
[bo_count_delete]
[bo_count_modify]
[bo_read_point]
[bo_write_point]
[bo_comment_point]
[bo_download_point]
[bo_use_category]
[bo_category_list]
[bo_disable_tags]
[bo_use_sideview]
[bo_use_file_content]
[bo_use_secret]
[bo_use_comment]
[bo_use_good]
[bo_use_nogood]
[bo_use_name]
[bo_use_signature]
[bo_use_ip_view]
[bo_use_trackback]
[bo_use_list_view]
[bo_use_list_content]
[bo_table_width]
[bo_subject_len]
[bo_page_rows]
[bo_new]
[bo_hot]
[bo_image_width]
[bo_skin]
[bo_image_head]
[bo_image_tail]
[bo_include_head]
[bo_include_tail]
[bo_content_head]
[bo_content_tail]
[bo_insert_content]
[bo_gallery_cols]
[bo_upload_size]
[bo_reply_order]
[bo_use_search]
[bo_order_search]
[bo_count_write]
[bo_count_comment]
[bo_write_min]
[bo_write_max]
[bo_comment_min]
[bo_comment_max]
[bo_notice]
[bo_upload_count]
[bo_use_email]
[bo_1]
[bo_2]
[bo_3]
[bo_4]
[bo_5]
[bo_6]
[bo_7]
[bo_8]
[bo_9]
[bo_10]
)