al proprio posto

Literally, “at one's place”.

al proprio posto

1. Used other than figuratively or idiomatically: see al,‎ proprio,‎ posto.
2. in one's lane; in one's place

   mettere qualcuno al proprio posto ― to put someone in their place

   • 2020, Barack Obama, chapter 22, in Chicca Galli, Paolo Lucca, Giuseppe Maugeri, transl., Una terra promessa [A Promised Land], Garzanti Libri:

     ... e il mio consigliere per la sicurezza nazionale Jim Jones, che proveniva da un ambiente militare in cui la catena di comando era sacra e i subordinati erano tenuti a stare al loro posto.

     ... and my national security advisor, Jim Jones, who'd come out of a military culture in which chains of command were inviolate and subordinates were expected to stay in their lanes.

     (literally, “... and my national security advisor, Jim Jones, who came from a military environment in which the chain of command was sacrosanct and subordinates were required to stay in their lanes.”)