The philosophical concept of "relation" is often neglected and unclear, with a key problem being the insufficient distinction between the relation itself and the concept of relation. Aristotle's categorization of relation among the highest genera, i.e., the most general concepts, does not suffice to explain its essence. A relation relates to something, while the concept of relation relates to the relation itself. This text distinguishes between the concept of relation and actual relation, highlighting the difference between logical relations between concepts and ontological relations between realities. It also analyzes the complex nature of conceptual correlates and examines how the concept of relation relates to intentional objects and subsequently to real facts. The document emphasizes that the world is founded more on relations and connections than on isolated things, and even the perception of reality is a result of processing relations between elementary information, such as photons.