Syntax and representation of icons

~ - - //////© £$£$£$@---------------*# this line is not represented (o) ^?

~
A wave

--
A reformed line

////////////

Repeated slashes

©
In an enclosed sea

$£$£$£

Currency exchange and flux

@----------------

At where the cut lies

*
A star

#

Parallel lines converge

Below the line

(o)

Unbounded

^
The peak

?
Presents a question