KanjiJLPT N4
Placement

placement, put, set, deposit, leave behind, keep, employ, pawn

Mnemonic

A massive eye painted on the ceiling surveys the warehouse. Straightaway, it shoots laser beams marking Xs on the floor — each X is the exact placement for a crate. Workers follow the eye's guidance, setting each crate on its X straightaway.
Additional thoughts
Picture a giant all-seeing eye that instantly knows where everything belongs. Straightaway = immediate certainty. Eye + Straightaway = knowing the perfect Placement without hesitation.
Quick recall
A ceiling eye fires lasers straightaway, marking the exact placement for every crate.

Details

The keyword for 置 is placement. This kanji refers to the act of putting, setting, or placing something in a particular position or location. It conveys the idea of establishing or arranging things in their proper place, and by extension can also mean to leave something as it is or to install something in a designated spot. It is widely used in contexts involving positioning objects, setting up systems, or leaving things in a certain state.
On'yomi
Kun'yomi
お.く、-お.き