The location of a point-like object relative to the origin of a coordinate system is given by a position vector r, which in unit vector notation is
where x, y and z are the scalar components of r.
Generalic, Eni. "Position vector." Croatian-English Chemistry Dictionary & Glossary. 29 June 2022. KTF-Split. {Date of access}. <https://glossary.periodni.com>.
Glossary
Periodic Table