one's point of view. I think I know what you mean. I know where you're coming from. Man, you don't know where I'm coming from! You don't understand a single word I say.
What one means, from one's point of view, based on one's background or prior experience. For example, I don't believe in capital punishment, but as a pacifist you know where I'm coming from . [Second half of 1900s]