are codes in html genrated by tbs?

how do you edit  html template in wysiwyg editor? all i see is
this

Welcome 
[var.lang_my_menu]
[var.lang_my_account]
[var.lang_my_profile]
[var.lang_word_email] [var.number_of_emails]
[var.lang_invites] [var.number_of_invites]
[var.login_out]
[var.lang_register_today]
[var.lang_video_categories]
[var.lang_audios_categories]
[var.lang_groups]

Those are the TBS tags.
You can change the contant has you whish. All TBS tags will be replaced by dynamic content when this page is loaded as a template with the template engine.