whether (EN)
conjunction

conjunction “whether”

whether
  1. used when you are talking about two or more possibilities and showing that there is uncertainty about which one is true
    She couldn't decide whether to go to the party or stay home and read a book.
  2. used to introduce an indirect question
    She asked whether it would rain tomorrow.
  3. used to say that something happens or is true in any situation or condition, no matter which one
    She will go to the party, whether it rains or not.