Trade - Crossword Clue, Answer and Explanation

'trade' is the definition.
(I know that trade can be written as swap)

This is the entire clue.

(Other definitions for swap that I've seen before include "Fifty-fifty odds" , "Exchange goods" , "exchanged gift" , "Change over" , "exchanged item" .)

I've seen this clue in The Star Tribune, the King Feature Syndicate, the Penny Press, The Telegraph, The Guardian, The Wall Street Journal, the USA Today, the Evening Standard, The Irish Independent, The New York Times, the Universal and The Mirror.

(Other definitions for slap that I've seen before include "Hit with a flat hand" , "Hit with an open hand" , "Strike action" , "Right" , "Mild punishment" .)

I've seen this clue in The Star Tribune, the King Feature Syndicate, the Penny Press, The Telegraph, The Guardian, The Wall Street Journal, the USA Today, the Evening Standard, The Irish Independent, The New York Times, the Universal and The Mirror.

'trade' is the definition.
(I've seen this before)

This is the entire clue.

(Other definitions for business that I've seen before include "Trade - one's concerns or affairs" , "Occupation; concern" , "Work - shop" , "Commerce, trace" , "Firm" .)

I've seen this clue in the Penny Press, The Telegraph, the Evening Standard and The Sun.

'trade' is the definition.
(commercial activity)

This is the entire clue.

(Other definitions for commerce that I've seen before include "Activity of buying and selling" , "Business, industry, trade" , "The buying and selling of commodities and services" , "Buying/selling activity" , "The buying and selling of goods and services" .)

I've seen this clue in the Penny Press, The Telegraph, the Evening Standard and The Sun.

'trade' is the definition.
(I know that traffic is a kind of the trade)

This is the entire clue.

(Other definitions for traffic that I've seen before include "Lots of vehicles" , "Vehicles moving on public highways" , "Group" , "Vehicles coming and going" , "Business" .)

I've seen this clue in the Sydney Morning Herald and the Evening Standard.

Trade (4)