1. Libel is a false written or published statement that damages a person's reputation, while slander is a false oral statement that damages a person's reputation.
2. For a statement to be considered defamatory, it must be false, published to a third party, identify the plaintiff, and cause harm. Different standards of proof apply depending on whether the plaintiff is a public or private figure.
3. Defenses against libel and slander claims include proving the statement was true, that it was protected opinion or fair comment, and establishing the plaintiff consented to the statement. Retractions and privilege defenses may also apply.