What is the meaning of the french word affaires?

Les affaires can mean

Only plural noun -

- The business - "Les affaires sont les affaires" = Business is business"

- The belongings - "Je prends mes affaires et j'arrive" = I take my stuffs and I come

As a noun

- Matter - "c'est une affaire de goût" = "it is a matter of taste"

- Case : "Une affaire de drogue" = A drug case