Nowadays it is not surprising to hear a variety of synonyms describing one object or process. The technological development has also resulted in the appearance of new vocabulary that can seem odd to somebody. No wonder only some individuals recognize the difference between software and tools, CPU and GPU etc. With the introduction of 3D technology, the number of terms connected with it has also multiplied by several times. One pair of notions that causes some misconceptions among users is also connected with 3D. Many modern companies offer 3D rendering and 3D modeling services, but unfortunately, not every client fully realizes what he will finally acquire ordering ones or other services. In this article, we would try to explain how these terms differ from each other and what is common among them too.