What does Accent mark mean?

Accent mark meaning in General Dictionary

a diacritical mark accustomed show stress or placed above a vowel to indicate a unique pronunciation

Accent mark meaning in Computer Science Dictionary

Accent scars tend to be symbols used over letters, commonly vowels, to greatly help focus on the pronunciation of a word. Accent scars are generally found in languages such as for example French, German, Italian, and Spanish. Many English-speaking users disregard accent scars and hardly ever use them; chances are that many users have only must make use of accent scars regarding the term "résumé."