This is the 7055th most frequent Japanese word.
ヨン
"ヨン" is the katakana representation of the number "4" (yon) in Japanese.
Here, 'ヨン' is used to represent the number 4 in describing a car's identification number.
私の車の番号はヨンです。
My car's number is Four.
In this sentence, 'ヨン' indicates the quantity of cameras on a smartphone.
今年発売されるスマホはヨンカメラを搭載しています。
The smartphone released this year is equipped with four cameras.
Here, 'ヨン' is used to count the specific number of dreams someone has.