(printed) instructions; manual; explanatory leaflet (pamphlet, note); description
to explain adequately; to be accountable
information session; briefing; explanatory meeting
supplementary explanation
accountability; being held accountable
explanatory; expository; elucidatory
briefer; elucidator; exponent; expositor; explainer
explanation of aim (esp. of a legislative bill); rationalization
background briefing; backgrounder