I’m not interested in what the dictionary says or a textbook definition I’m interested in your personal distinction between the two ideas. How do you decide to put an idea in one category versus the other? I’m not interested in the abstract concepts like ‘objective truth’ I want to know how it works in real life for you.
What’s Marxism have to do with it? Sounds exactly like the scientific method to me. Applying it to politics is an unnecessary step in this discussion.
How familiar are you with Dialectical Materialism? That’s a Marxist conception, very similar to the scientific method.