Components, factors (8)
I believe the answer is:
elements
I believe this is a double definition.
'components' is the first definition.
(I know this)
'factors' is the second definition.
(I know this)
(Other definitions for elements that I've seen before include "Parts of something or the weather" , "Basic principles of the weather" , "Nitrogen and oxygen, e.g." , "Atmospheric forces like wind and rain" , "Basic parts" .)