Pick all that apply

• 1Choice 1.

  .atomic writes to a temporary file first and then renames it into place, so the existing file is never left half overwritten if the app dies mid-write

• 2Choice 2.

  The Documents directory exists as soon as the app is installed, but a subfolder under it (Documents/notes/) is yours to create with createDirectory

• 3Choice 3.

  Adding .atomic means two threads writing the same file at once can't race

• 4Choice 4.

  You get url from FileManager.default.urls(for: .documentDirectory, in: .userDomainMask), and you shouldn't store that path string across app launches

• 5Choice 5.

  Once the write succeeds, the file is immediately excluded from iCloud backup