What constitute? an abstract character?

[Richard Wordingham]

On Mon, 15 Jun 2020 08:03:10 -0700
Ken Whistler via Unicode <unicode at unicode.org> wrote:

> Not an interesting question, actually.
> 
> The units relevant to count in text, depending on what you are doing,
> are:
> 
> code units
> 
> code points
> 
> user-perceived characters (and other higher-level constructs which
> may be orthography-specific)

Which in general have a user- and time-specific definition, as at least
hinted at in Peter Constable's comment that the way to count depends
on the purpose of counting.

Richard.