a door casts an increasingly trapezoidal image on our retinas as it opens, yet we still perceive it as rectangular. this illustrates:

a factory opens that mass-produces light bulbs.

explanation:

not sure if that's an answer to your questions but this is an example! : )

answer; ethnocentric;

answer the senate acts as the court in the case of impeachment,the senate holds the trial serving as the trial and acts as the trial jury;