Ways and means (5)
'ways and means' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for methods that I've seen before include "Procedures, systems" , "Procedures for accomplishing" , "Procedure to accomplish something" , "Techniques" .)
(Other definitions for modes that I've seen before include "Fashions" , "Styles of domes" , "Styles (in clothes, etc)" , "Ways - manners" .)