0 a contract (= formal agreement) which has been signed by all the people involved: --
The contracted services must be carried out by the project team in accordance with the executed contract.
1 a contract (= formal agreement) where everything stated in the agreement has been done by the people involved --
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.