What do the dots mean for impeccable in the dictionary?

In a dictionary, dots (often referred to as "diacritical marks" or "pronunciation symbols") indicate specific phonetic sounds or syllable breaks in the pronunciation of a Word. For the Word "impeccable," dots might indicate stress on certain syllables or guide the reader on how to pronounce it correctly. In some dictionaries, these symbols help distinguish between similar Words or clarify pronunciation nuances.