0 to start to have a direct and noticeable effect (on something): --
The government is definitely making inroads into the problem of unemployment.
We have not been able to make much of an inroad into the backlog of work.
1 something that has a noticeable and positive effect on something you are trying to achieve: --
2 to start to have a noticeable and positive effect on something: --
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.