What is Or?

Or definition and meaning on Dictionary terms:
(used to connect words, phrases, or clauses representing alternatives): books or magazines; to be or not to be.
(used to connect alternative terms for the same thing): the Hawaiian, or Sandwich, Islands.
(used in correlation): either a?| or; or a?| or; whether a?| or.
(used to correct or rephrase what was previously said): His autobiography, or rather memoirs, will soon be ready for publication.
otherwise; or else: Be here on time, or we’ll leave without you.
Logic. the connective used in disjunction.


reference: https://www.dictionary.com/browse/or