What is the meaning of significance?

noun

• The quality of being significant.
  • usage: "do not underestimate the significance of nuclear power"
• A meaning that is not expressly stated but can be inferred.
  • usage: "the significance of his remark became clear only later"; "the expectation was spread both by word and by implication"
  • synonyms: import, implication
• The message that is intended or expressed or signified.
  • usage: "what is the meaning of this sentence"; "the significance of a red traffic light"; "the signification of Chinese characters"; "the import of his announcement was ambiguous"
  • synonyms: meaning, signification, import