What does it mean to be labeled a "populist," and why do some voters see it as a positive term?

If a book could whisper its secrets directly into your heartbeat, which one would you let in?
How can major political parties regain trust from voters who feel their concerns are ignored, especially on immigration?
Why do certain media seem to resonate so strongly with people of retirement age, and how does it manage to keep them glued to their screens?
I don't like how small the UK is. I like how big the USA is. What do British people think?