To " appoint" someone means to say who will be in a particular position.

“任命”某人的意思是说谁将担任特定职位。

Flank is also used as a noun to describe a group of soldiers in a particular position in a battle (when you are fighting).

Flank 也用作名词来描述在战斗中处于特定位置的一群士兵（当你正在战斗时）。

Yeah, it's the way you stand in a particular position or, yoga, you can have a yoga pose, but here it's a verb and 'poses' means creates or causes something to happen.

是的，它指的是你站在某个特定位置的姿势，或者，瑜伽，你可以摆瑜伽姿势，但在这里它是动词，“pose”的意思是创造或导致某事发生。