What is define authenticity?

Authenticity refers to the quality of being genuine, true, and reliable. It refers to sincerity, honesty, and accuracy in one's actions, words, and personality. In various contexts, authenticity can mean being true to oneself, being true to one's cultural or historical roots, or being genuine in one's relationships and interactions with others. Authenticity is often considered a desirable trait, as it implies a level of integrity, trustworthiness, and transparency. In some cases, being authentic can also mean being vulnerable or exposing one's flaws and weaknesses. Authenticity is subjective and can vary depending on the individual and the situation.