Hi,
My understanding is:

() - parentheses
{} - braces
[] - square brackets
<> - angle brackets

Jim


On Wed, Dec 16, 2015 at 6:17 AM, S Ellison <s.elli...@lgcgroup.com> wrote:

> > It is clear that a ) although is a type of bracket it is called a
> parenthesis, just as ,
> > is called a comma, which is a type of punctuation mark.
>
> These things are called parentheses because of what they do, not what they
> are.
> A parenthesis is any word or phrase inserted as an explanation or
> afterthought into text that would be is grammatically complete without it,
> usually bounded by punctuation. The bounding punctuation marks are then
> called parentheses, and can be round, square, or curly brackets, dashes, or
> just commas.
>
> So (),  [], {}, - ... -  and , ... , are _all_ pairs of parentheses in
> grammatical usage.
>
> Three of them are also kinds of bracket, but not the only kinds.
>
> There's a disturbingly extensive article on it at
> https://en.wikipedia.org/wiki/Bracket#Names_for_various_bracket_symbols
>
> which suggests to me that the terms are unlikely to be standardised
> quickly.
>
> Steve E
>
>
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