Keyword
single
Info
FrequencyTop 300-400
Type
Kyōiku (4th grade) 
?
Shinjitai ?
KankenLevel 7
Heisig2078
Old form
Readings
たん
(99%)
Composed of
tiny hairs
outer shell
one
Mnemonic

A pictograph of a single sunflower.

The hairs on the top are its flower petals, the part in the middle is where the seeds are, and on the bottom we have its stem and the leaves.

Used in kanji (6 in total)
war
bullet
Zen
cicada
Used in vocabulary (389 in total)
simple; easy; uncomplicated; brief; quick; light
simple; plain; uncomplicated; straightforward; simple-minded; naive
simply; merely; only; solely
Examples (200 in total)
Was that too easy?
This one is a lot easier.
This work isn't easy.