What do you think Swift is saying about government and society with the following phrases?

What do you think Swift is saying about government and society with the following phrases? Gulliver says these things will help "discover" true and mysterious meanings.

Close stool to signify a Privy Council;
a Flock of Geese, a Senate;
a lame Dog, an Invader;
the Plague, a standing Army;
a Buzzard, a Minister;
the Gout, a High Priest;
a Gibbet, a Secretary of State;
a Chamber-pot, a Committee of Grandees;
a Sieve, a Court Lady;
a Broom, a Revolution;
a Mouse-Trap, an Employment;
a bottomless Pit, the Treasury;
a Sink, a Court;
a Cap & Bells, a Favourite;
a broken Reed, a Court of Justice;
an empty Tun, a General;
a running Sore, the Administration.