Runway-holding position. A designated position intended to protect a runway, an obstacle limitation surface, or an ILS/MLS critical/sensitive area at which taxiing aircraft and vehicles shall stop and hold, unless otherwise authorized by the aerodrome control tower.
Note.— In radiotelephony phraseologies, the expression “holding point” is used to designate the runway-holding
position.
DOC 4444 you stop unless you have implicit permission.
So when you leave the RWY you do not reenter without permission once more.
That been said I would not like to have to defend this argument in the current climate .