It&#x27;s covered in the video too (with visuals that illustrate what your parent is talking about), but the &quot;die&quot; is the slab of silicon that the CPU itself is on. <a href="https:&#x2F;&#x2F;en.m.wikipedia.org&#x2F;wiki&#x2F;Die_(integrated_circuit)" rel="nofollow">https:&#x2F;&#x2F;en.m.wikipedia.org&#x2F;wiki&#x2F;Die_(integrated_circuit)</a>