2 to pass on information by giving it to just a few people, who then give it to more people; to be passed on in this way: --
Guest information is cascaded through employee shift briefings.
Communication cascades down the organization until the information has been communicated through each level, to the front lines.
3 a short, steep waterfall (= place where a river falls to a lower level), often one of a series: --
We can complete it step by step however long the road is and it can't be completed however short the road is if you don't even mark your footprint.
Vi kan slutföra det steg för steg hur lång vägen än är och den kan inte slutföras hur kort vägen än är om du inte ens markerar ditt fotavtryck.