marketplace

noun4

1. •
   An open area in a town housing a public market.
2. •
   The space, actual or metaphorical, in which a market operates.

   • Some high-street retailers were slow to enter the new digital marketplace of the Internet.
3. •
   The world of commerce and trade.
4. •
   (figurative) A place or sphere for the exchange of anything, such as ideas or fashions.