Confidentiality means keeping information private when someone trusts you with it. When your friend tells you a secret and asks you not to share it, they're expecting confidentiality. When your doctor learns about your medical condition, confidentiality means that information stays between you, your parents, and your healthcare team.

Confidentiality matters because trust depends on it. Doctors, lawyers, therapists, and teachers all have professional duties to maintain confidentiality. Your school counselor can't gossip about what students tell them. Your doctor can't post about your visit on social media. Breaking confidentiality means violating someone's trust and privacy.

When information is confidential, it's meant to stay private. A confidentiality agreement is a formal promise not to share certain information.

Understanding confidentiality helps you know when to stay quiet and when speaking up is actually more important. If your friend tells you they're planning something dangerous, getting help from a trusted adult isn't breaking confidentiality. But sharing embarrassing details about someone just for attention is a betrayal of trust that can seriously hurt your relationships.