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.
Probably doesn’t answer your question completely, but I’m a big fan of the phrase "my understanding is . . . " In other words, this is what I “know” as fact, but I’m aware that my knowledge could be wrong or insufficient and I’m willing to be corrected or updated. I use this phrase almost any time I’m asserting something as fact, as a kind of cya.