From top: coming out 丷 (here: rays or shine), sun 日, ten 十
It shines the sun in a group of ten (with nine planets, including Pluto) as the single one.

Left: bow 弓, right: sole, single 单 (It shines 丷 the sun 日 in a group of ten 十 [with nine planets including Pluto] as the single one.)
The bow "singles" [=making it single] the bullet at the shot.

Outside: gate 门/ 門, inside: single, merely 单 (It shines 丷 the sun 日 in a group of ten 十 [with nine planets, including Pluto] as the single one.)
The reason why he was at the gate as a single, he had to disclose (to the guard).

Left: Gefühl 忄, right: single, individual 单 (It shines 丷 the sun 日 in a group of ten 十 [with nine planets] as the single one)
The feeling when you are single, is: fear.

Left: to show, altar 礻/示, right: single, merely 单 (It shines 丷 the sun 日 in a group of ten 十 [with nine planets] as the single one)
The altar has to be a single/simple in: Zen meditation.

Left: Insect 虫, right: single, individual 单 (It shines 丷 the sun 日 in a group of ten 十 [with nine planets] as the single one)
(They never are in a group:) The insect that stays single is the cicade.

Left: woman 女, right: single, indibidual 单 (It shines 丷 the sun 日 in a group of ten 十 [with nine planets] as the single one.)
The woman is the only/single beautiful.