Punctuation - part 1

Do you know the name of these punctuation marks?

:

/
\
,
.

Yesterday, in class, I and Wil learnt that this symbol is "\" backslash as this one "/" is slash. Easy to memorize, right?

Curious about the other ones?

Try this special tree. You go there, click on the mark and learn its name and usage.

Click on the image and go to the website!