Freedom of speech is defined as the right to express oneself without fear of censorship or government punishment. The document discusses the importance of freedom of speech, including that it promotes the truth, accountability, and equal treatment of minorities. Both advantages and disadvantages of freedom of speech are provided, such as it exposing unlawful activities but potentially spreading false information. Limitations to freedom of speech like incitement of violence or defamation are outlined. Threats to freedom of speech from self-censorship, social media, governments, and attacks on journalists are also examined.