Idioms: "Ducks in a row"

To get your ducks in a row means to organize your tasks and schedule so that you are ready for the next step. There are a number of theories behind the origin of this expression. Real ducklings, of course, walk in a line behind their parent, and the expression ducks in a row certainly brings that image to mind. (Source: https://www.btb.termiumplus.gc.ca/tpv2guides/guides/wrtps/index-eng.html?lang=eng&lettr=indx_catlog_i&page=9vF-dOfBT0jI.html)