She worked her way up from the lowest rung on the economic 'ladder'.
He was moving up the corporate 'ladder'.
She got/had a 'ladder' in her stocking.
(..) who's in charge right now? I'm asking, because I can't even remember his name. Kirkman. Tom Kirkman. Oh, yeah, yeah. Kirkland. That's right. The lowest rung on the ladder. Did you know President Richmond fired him this morning? Now he's the President. He's the one the country's gonna be turning to (..)2016 TvShow: Designated Survivor Title: Pilot Season: 1 Episode 1