“信” (xìn) is a Chinese character that means "trust" or "faith." It represents the idea of believing in someone or something, often associated with honesty and reliability. In Chinese culture, trust is a fundamental value in relationships, whether personal or professional. In addition to its meaning of trust, “信” is also used in various contexts, such as in the word “信件” (xìnjiàn), which means "letter" or "mail." This reflects the character's connection to communication, as letters are a way to convey messages and build trust between people.