Is Cardano truly Decentralised?

I've been hearing a lot about Cardano and its claims of being decentralised. But, is Cardano truly decentralised? I'm not entirely sure how to evaluate that. Could you please explain what makes Cardano decentralised and how it differs from other blockchain platforms that claim the same? Also, are there any specific features or mechanisms in Cardano that contribute to its decentralisation? I'm interested in understanding how its governance structure, node distribution, and consensus mechanisms play a role in maintaining decentralisation. Could you clarify these points for me?