A material that allows electrons to move through it is called a conductor.

Here's why:

* Conductors have loosely bound electrons that can easily move from atom to atom when an electric potential difference is applied. This movement of electrons is what constitutes electric current.

Some common examples of conductors include:

* Metals: Copper, gold, silver, aluminum

* Electrolytes: Solutions containing ions (like salt water)

* Plasma: Ionized gas