0 used to refer to a person, object, idea, etc. that is separated from the speaker by space or time: --
1 used to introduce a clause that reports something or gives further information, although it can often be left out: --
2 used as the subject or object of a verb to show which person or thing you are referring to, or to add information about a person or thing just mentioned. It is used for both people and things. It can often be left out: --
3 used to make a connection with an earlier statement: --
4 as much as suggested: --
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.