What is the meaning of pertinent in a way i can comprehend?

Read this passage.my career in journalism has taught me the challenges of capturing sporting events, yet gregor powell's descriptions are flawless. powell is a gold-medal paralympic swimmer, but his memoir proves that his true strength is the power of his insights.what feature distinguishes this passage as a foreword?

The tankers are so large how did some crew members get from one point to another while on board

What language uses emotionally words