Whenever an issue of importance rose for the Quraish in general...
Whenever an issue of importance rose for the Quraish in general, their chiefs and elders who were truly the people's representative assembled in that place, discussed the matter and came to a decision about it and whatever the majority's decision carried it out. What is noteworthy however is that according to the laws of elections of Qussi bin kalab, one of the pre-conditions was that the tribes and clans representatives should not be less than forty years of age.
Today young people could well protest against such a law on the plea that it meant favouring the old people as they accepted only over forty years old. In those days, however, they wished to have well tried and experienced peoples' representatives, though at the same time we read in the biography of the holy Prophet of Islam that Abdul-Mutallib took Muhammad (a s.) as a child along with him to Dar-un-Nadwa, even though the admission of a person below the age of forty was forbidden.
The first time Muhammad (a.s.) was taken there, they were displeased, but after that they agreed that he could enter - but that is another story. The charge and leadership of trade caravans was held by the Bani-Umayya. The institution for the payment of blood-money and compensation. Sometimes when a member of a tribe was killed by someone from another tribe, in the first place was a demand for compensation and indemnity or a fight would ensue.
Thus the fine had to be collected, and one of these families was responsible for this task of determining the share, collecting them, and handing them over to the claimants. This was in fact a kind of office for public funds related of course to blood-money and reparations. Administration of the arsenal. This was a large tent where arms and weapons were collected in the event of war and distributed judicially among the soldiers.
Management of army stables: a task given to a branch of Quraish tribe to take care of the remounts such as horses and camels necessary far the war effort. Assigning of envoys or ambassadors: Sometimes it became necessary to dispatch envoys abroad. As we shall see later, envoys were required to travel to Abyssinia to pursue the question of Muslim emigrants to that country. Position of administering justice was given to a special committee of Arabs.
Position of the Key Bearer of the Ka'aba, as distinct from the position of the custodian. As you may be aware, pilgrims to the holy shrines often made offerings of gold coins in the holy shrines.