What is the meaning of aside?

noun

• A line spoken by an actor to the audience but not intended for others on the stage.
• A message that departs from the main subject.
  • synonyms: digression, excursus, divagation, parenthesis

adverb

• On or to one side.
  • usage: "step aside"; "stood aside to let him pass"; "threw the book aside"; "put her sewing aside when he entered"
• Out of the way (especially away from one's thoughts. )
  • usage: "brush the objections aside"; "pushed all doubts away"
  • synonyms: away
• Not taken into account or excluded from consideration.
  • usage: "these problems apart, the country is doing well"; "all joking aside, I think you're crazy"
  • synonyms: apart
• In a different direction.
  • usage: "turn aside"; "turn away one's face"; "glanced away"
  • synonyms: away
• Placed or kept separate and distinct as for a purpose.
  • usage: "had a feeling of being set apart"; "quality sets it apart"; "a day set aside for relaxing"
  • synonyms: apart
• In reserve; not for immediate use.
  • usage: "started setting aside money to buy a car"; "put something by for her old age"; "has a nest egg tucked away for a rainy day"
  • synonyms: by, away