On what basis are Members of Parliament (MPs) in the UK elected?

Okay, let's break down how Members of Parliament, or MPs, get elected in the UK. The system used is called "first past the post," and it's pretty straightforward. Imagine a horse race – the horse that crosses the finish line first wins, regardless of whether it's by a nose or a mile. That's essentially how it works in UK general elections. Each geographical area, called a constituency, elects one MP to represent them in the House of Commons. Voters in that constituency cast their ballot for their preferred candidate, and the candidate who receives the most votes wins, becoming the MP for that area. It doesn't matter if they get more than 50% of the vote; they simply need to get more votes than any other candidate. This system has been used in the UK for centuries, evolving alongside the development of parliamentary democracy. While other systems like Proportional Representation might seem fairer to some because they allocate seats based on the overall percentage of votes a party receives nationally, the UK continues to use "first past the post" due to its simplicity and the direct link it creates between an MP and their constituency.
Think of a racing term, where the first to cross the finish line wins.