Groupthink is a problem in which group members strive to maintain cohesiveness and minimize conflict by refusing to critically examine ideas, analyse proposals, or test solutions.
It's a sort of uncompromising consensus that can serve only in a former stage of a given plan, or equivalent I think. An example of this, is taking place nowadays in the Venezuelan conflict, where official opposition (Asamblea Nacional; sort of Parliament) are inhibited of criticizing their internal mistakes or approaches to combat Chavismo tyranny, and fail discarding other voices in the opposition that claim to ask for help from the international community, as Maduro and Chavismo represent a criminal state.
a literature that is spoken or sung as opposed to that which is written, though much oral literature has been transcribed. There is no standard definition, as folklorists have varying descriptions for oral literature or folk literature.