KanjiJLPT N4
Assurance

assurance, firm, tight, hard, solid, confirm, clear, evident

Mnemonic

A heron perches on a stone in the middle of a rushing river, perfectly still, utterly unshaken. Watching it, you feel total assurance — if that heron on that stone can be so certain of its footing, so can you.
Additional thoughts
The stone is immovable, the heron is unwavering — together they embody certainty. Picture the bird's calm, confident stance on solid rock as the feeling of having no doubt.
Quick recall
A heron standing firm on a stone radiates pure assurance.

Details

The keyword for 確 is assurance. This kanji conveys the sense of being certain, firm, and definite about something. It represents the idea of confirming or verifying something so that there is no room for doubt. It is used in contexts relating to accuracy, reliability, and making sure that something is established as true or correct.
On'yomi
かく、こう
Kun'yomi
たし.か、たし.かめる