0 to direct a person's attention away from an activity or subject towards another one that is less important: --
1 the act of sidetracking someone, or an example of this: --
I'm dealing with the points in order, but I keep going off on a sidetrack.
Letters are different to a conversation because you can continue without being interrupted with some sidetrack.
2 a short track where trains are kept when they are not being used: --
3 a second oil well that is made on one side of the original oil well: --
4 to direct (someone) away from an activity or subject toward another one that is often less important: --
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.