Page Settings is one of the Lustria's features that located within each page and post. Page Settings will only affect the individual page you change them on and overrides options set in the Theme Options and Preset (If this page/post applied any preset).
You could consult our guide on How G5Them Options work for more details about the relationship between Theme Options, Preset and Page Settings
Page settings in page
From WP-dashboard, navigate to Page → Add New.
Page Settings that located within each PAGE has 2 sections: General and Menu section.
Any option that was set to be Default or Customize Off means that it will use the value of equivalence option you have set in Preset (if this page apply any Preset) or Theme Options. Insert a different value to override the Preset/ Theme Option value.
Preset and Page Options will use the Theme Options value if left empty or if the value is default. They will override Theme Options if any other value is entered. This setup gives users maximum flexibility for setting a global theme option, then being able to override it on a page/post/shortcode basis
Post settings
From WP-dashboard, navigate to Post → Add New.
Post Settings that located within each POST has 4 section: General section, Related Posts section, Layout section and Menu section. 'Layout' and 'Menu' section are similar to 'General' and 'Menu' sections in the Page Setting in each page editor, and Post Settings in post editor have 2 more sections for post settings as below:
Any option that was set to be Default or Inhirit means that it will use the value of equivalence option you have set in Blog panel in Theme Options. Insert a different value to override the Theme Option value.