The united church of christ and the southern baptists allow each congregation to have a great deal of authority, including who to hire as pastor and what credentials the person must have to be the minister. this approach to religious organizational polity is called

Ecclesiastical Polity

Explanation:

Ecclesiastical polity is the operational and governance structure of a church or of a Christian denomination. It also denotes the ministerial structure of a church and the authority relationships between churches. Polity relates closely to ecclesiology, the study of doctrine and theology relating to church organization.

source: Wikipedia

answer; i do believe that its(gestation,suction-aspiration or vacuum aspiration;

the language of nature was a manifestation from god as he said "let there be light" and there was light the world began to assume visible, comprehensible form.

what ever we know now think of the old vision of creation we can be sure that with out the speaking of word -without language- we would have no science today with its striking power to illuminate the world.