information session; briefing; explanatory meeting
(printed) instructions; manual; explanatory leaflet (pamphlet, note); description
explanatory note; explanatory text; explanation; caption
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
briefing; status report; explanation of the situation