Before speaking of the different forms of government, let us try to fix the exact sense of the word, which has not yet been very clearly explained.
different
(さまざまな)
[形]
not the same
let
(~しよう)
[動]
allow or permit
try
(試す)
[動]
make an attempt
fix
(固定する)
[動]
repair or mend
政府のさまざまな形態について話す前に、まだあまり明確に説明されていない言葉の正確な意味を固定してみよう。