French e, è, é, ê, ë – what's the difference?

https://jakubmarian.com/french-e-e-e-e-e-whats-the-difference/

French e, è, é, ê, ë – what’s the difference?

A complete explanation of how e, è, é, ê, and ë are used in French, with rules, examples and pronunciation.

As one dabbling in Mandarin, this french e, è, é, ê, ë thing makes me chuckle. Mā mà mǎ ma? (Is Mom scolding the horse?)