What's a Personal Website, Anyway?

This is a question that has been bugging me ever since I first connected to the world wide web. The Content At the heart of almost every website is what does it tell. So, in that sense, what should a personal website tell? Is it a CV , where you strengthen a personal brand and promote your work? Is it a meme gallery, where you post stuff you find funny? Is it just a playground, to test some stuff…