What is the meaning of estate?

noun

• Everything you own; all of your assets (whether real property or personal property) and liabilities.
• Extensive landed property (especially in the country) retained by the owner for his own use.
  • usage: "the family owned a large estate on Long Island"
  • synonyms: land, landed estate, acres, demesne
• A major social class or order of persons regarded collectively as part of the body politic of the country (especially in the United Kingdom) and formerly possessing distinct political rights.
  • synonyms: estate of the realm, the three estates