Politics means the world of government in general:
The vice-president has a long career in politics.
I hate discussing politics with my family because it always turns into an argument.
Sometimes people talk about "office politics" outside the context of government -this means the connections and actions that people inside a company take in order to gain power, forming relationships and manipulating situations to their advantage.
A policy is like a rule. Countries have policies (foreign policy, immigration policy, gun control policy) but schools and companies do, too:
Our policy is that customers can return an item and get a refund within 30 days of their purchase.
My school had strict policies regarding lateness - if you were late more than five times, you got suspended.
You can enjoy your fireplace safely this holiday season if you know a few tips & tricks. We all know a crackling fireplace makes all the difference during cold winter evenings. Adding feathers and a Christmas wreath decorated with lights gives the whole room a wild, fairytale like vibe. Choose the things you love and make sure they enhance the beauty of the space and not clutter it, like interior designer Christopher Todd did with the space presented above.