in private; secretly
en privé; secrètement (en privé; secrètement)
"The deal was made behind closed doors."
"L'accord a été conclu en coulisses." (L'accord a été conclu en coulisses.)
a secret or unofficial way to access something
to have many creative ideas at once
A significant advancement or achievement.
to have influence or importance
a specific group of people a campaign is aimed at
to slowly become less close or connected over time