What exactly does the spec “PCIe x16 slot ” mean?

Does my mother board has pcie x4 slot? pcie 3 0 x4 slot
➡️【Mk.com】✅वन-स्टॉप कैसीनो अनुभव का आनंद लें और सर्वोत्तम ऑनलाइन गेम का आनंद लें। खेलें ✅ ब्लैकजैक ✓ स्लॉट्स ✓ रूलेट ✓ पायलट और बहुत कुछ! बेजोड़ पुरस्कार और ऑफ़र प्राप्त करें। ✅  For PCIe , the bandwidth for a x1 slot is GBs; the x4 slot, x8 slot, x16 slot GBs, GBs, GBs, GB pcie slot dimensions PCIe x2, PCIe x4, PCIe x8, and PCIe x16 These figures represent the PCIe 3 x16 slot The extra lanes can be used to add more

pcie slot function interface utilizes multiple technologies, including x2 to x4 PCIe Lanes, NVMe , SATA protocol, and USB