This is the 8344th most frequent Japanese word.
後進
"後進" means "junior," "successor," or "those who come after."
後進 refers to 'next generation' or 'junior individuals' being guided or mentored.
彼は後進の指導に力を注いでいる。
He is devoted to mentoring the next generation.
後進 here means 'going backward or reversing,' describing the movement of the car in a physical sense.
後進しながら車庫に車を入れた。
He reversed the car into the garage.
後進 suggests 'backwardness' or being outdated, relating to organizational progress or modernity.