application mode(The mode of a Surface unit when an application is running. Only one application appears on a Surface screen at a time. The application displays on the entire screen)
auto style application mode(A mode in which the default style settings defined in Page Options > CSS tab will be used on a page level as well as on an inline style level. The style application mode can also be set to manual)
manual style application mode(A mode in which the default style settings defined in Page Options > CSS tab will be not be used, but rather the styles defined in the Manage Styles task pane for the entire page or for individual items on a page will need to be applied by the user. The style application mode can also be set to auto)