Commerce (5)
'commerce' is the definition.
(trade is a kind of commerce)
This is the entire clue.
(Other definitions for trade that I've seen before include "Buying/selling of goods" , "Commerce - traffic" , "Deal commercially" , "Dealing in goods" , "Calling" .)
'commerce' is the definition.
(trading is a kind of commerce)
This is all the clue.
(Other definitions for trading that I've seen before include "in the marketplace" , "Commercial activity" , "Exchanging; a word used in the first ever 2 dn" , "Dealing" , "In business" .)