Charts (4)
'charts' is the definition.
('map' can be a synonym of 'chart')
This is all the clue.
(Other definitions for maps that I've seen before include "Diagrams of geographical areas" , "Plans" , "Charts" , "Plots" , "Books of maps" .)
(Other definitions for tables that I've seen before include "Turn these to gain the upper hand" , "Sets of facts and figures in columns and rows" , "Flat-topped pieces of furniture (which can be turned?)" , "Bleats about the pieces of furniture" , "Turn these to upset the odds" .)