What is the meaning of twofold?

adjective

• Having more than one decidedly dissimilar aspects or qualities."a double (or dual) role for an actor"; "the office of a clergyman is twofold; public preaching and private influence- R. W. Emerson; "every episode has its double and treble meaning-Frederick Harrison
  • synonyms: double, dual, two-fold, treble, threefold, three-fold
• Twice as great or many.
  • usage: "ate a double portion"; "the dose is doubled"; "a twofold increase"
  • synonyms: double, doubled, two-fold

adverb

• By a factor of two.
  • usage: "the price increased twofold last year"
  • synonyms: two times