Introduction to Plain English In Week 4 of TW5211, I was introduced to the concept of Plain English. Using common vocabulary helps non‑native speakers who may not have acquired the idiomatic meanings of phrasal verbs. One example from the reading showed the danger of unclear language: flight warnings used the unfamiliar phrase “pull up” instead of the clearer term “climb,” contributing to a plane crashing into a mountainside after takeoff. Language is not usually life or