Punctuation symbols

http://www.thepunctuationguide.com/index.html

Learn and practice the names punctuation marks in English:

http://a4esl.org/q/h/9901/nr-keyboard.html

Explanation and interactive exercises:

https://www.ole.bris.ac.uk/bbcswebdav/courses/Study_Skills/grammar-and-punctuation/index.html#/id/5eaff06288d7eb04c5efb43b