Inventory of the role of 0 ohm resistors

In our impression, resistors play the role of hindering current. But 0 ohm resistors? What do we need resistors that can’t block current for? In fact, 0 ohm resistors did not appear at the beginning, and most 0 ohm resistors are chip resistors. This is closely related to its use. In fact, 0 ohm resistors…