Not an ATC but a humble pilot.
At Manchester the guys and gals are App and Twr rated.
The Approach controller takes aircraft from the area people who have vectored them towards the stack. Then he vectors them off the stack (or straight towards the Loc if its quiet) on to an approximate hdg towards the Loc, but not necessarily, onto a closing hdg.
It is then the job of the Director to vector them onto a closing hdg for the Loc before handing them off to the Twr.
The director and approach are sat next to each other. Which is why they ask for callsign only to director. When it is quiet the job can be done with only an approach controller and no director. And when it is hectic there can be two approach controllers one for southern arr and one for northerly arr. And I think app for the northerly stack still looks after the low level route.
Any Manch controllers want to fine tune that for me.