The Illinois Bill of Rights is a section of the Illinois Constitution that outlines the fundamental rights and freedoms guaranteed to all individuals within the state. It serves to protect citizens from government overreach and ensures that basic human rights, such as freedom of speech, religion, and assembly, are upheld. Adopted in 1970, the Illinois Bill of Rights includes provisions that address issues like due process, equal protection under the law, and the right to a fair trial. It emphasizes the importance of civil liberties and aims to promote justice and equality for all residents of Illinois.