Diacritics are marks added to letters to change their pronunciation or meaning. Some common diacritics include:
* Acute accent (´): Like in café, résumé
* Grave accent (`) : Like in à la carte, déjà vu
* Circumflex accent (ˆ): Like in fête, fenêtre
* Tilde (~): Like in mañana, señor
* Umlaut (¨): Like in über, schön
These are just a few examples, and there are many other types of diacritics used in different languages.