What is the meaning of quietly?

adverb

• With low volume.
  • usage: "speak softly but carry a big stick"; "she spoke quietly to the child"; "the radio was playing softly"
  • synonyms: softly
• With little or no sound.
  • usage: "the class was listening quietly and intently"; "she was crying quietly"
• With little or no activity or no agitation (`quiet' is a nonstandard variant for `quietly'. )
  • usage: "her hands rested quietly in her lap"; "the rock star was quietly led out the back door"; "sit here as quiet as you can"
  • synonyms: quiet
• In a restful manner.
  • usage: "the streets are restfully sunny and still for the town is at mass"
  • synonyms: restfully