| A | B |
| libel | Damages a person in writing. |
| slander | Spoken false/defamatory speech. |
| pure speech | Verbal speech. |
| symbolic speech | Speech that involves action. |
| incite | To move to action. To stir up/spur on. |
| clear & present danger | A doctrine adopted by the Supreme Court to determine under what circumstances limits can be placed on the First Amendment. |
| imminent | About to happen, ready to take place. |
| secular | Non-religious |
| obscenity | Any statement/action which strongly offends the prevalent morality of the time |
| community standard | An average person, in the relevant community, deciding if something is obscene. |
| censorship | The suppression of speech that might be objectionable, harmful, sensitive, etc. |
| voucher system | Giving parents a specified amount of money, which they can then use towards tuition at the school of their choice (including parochial schools). |
| prior restraint | The government not allowing the media to release information. |