the action or process of classifying something

वर्गीकरण

English Usage: The classification of animals helps scientists understand their relationships.

Hindi Usage: जानवरों का वर्गीकरण वैज्ञानिकों को उनकी संबंधों को समझने में मदद करता है।

not the same as another or each other; unlike in nature, form, or quality