Executive is president and staff, legislative are the house and Senate.
All are elected. Executive nominates judges and Congress approves or dicks around and holds the seat hostage for a year+ because one party is gaming the system a certain way to the detriment of the country (less judges, longer court lines for everything including immigration which is one reason it's such a clusterfuck). Supreme Court are just the nine most powerful judges of the ultimate court. Since we have multiple levels of judges for various reasons.
Executive is president and staff, legislative are the house and Senate. All are elected. Executive nominates judges and Congress approves or dicks around and holds the seat hostage for a year+ because one party is gaming the system a certain way to the detriment of the country (less judges, longer court lines for everything including immigration which is one reason it's such a clusterfuck). Supreme Court are just the nine most powerful judges of the ultimate court. Since we have multiple levels of judges for various reasons.