A Toolkit project always has a base Project configuration, which includes General presentation mode, language settings, video settings, reading speed and other validation rules.
For more details, check the following links: http://faq.ooonatools.tv/en/articles/3466165-project-settings-general-tab
http://faq.ooonatools.tv/en/articles/2557224-project-settings-screen-tab
http://faq.ooonatools.tv/en/articles/2507173-project-settings-cues-tab
http://faq.ooonatools.tv/en/articles/2557266-project-settings-display-
Project Settings - General tab
Project Settings - Screen tab
Project Settings - Display tab
Project Settings - Cues tab