give an account of (6)
'give an account of' is the definition.
(synonyms)
This is the entire clue.
(Other definitions for relate that I've seen before include "Show a connection between (things)" , "Make a logical or causal connection" , "Recount" , "Tell in Tralee" , "Tell - marriage counsellors" .)
(Other definitions for report that I've seen before include "Sudden noise; account of progress" , "Noise - information" , "Sharp sound of a gun firing" , "Account, story" , "Describe with a bang" .)