Press Release - an official statement delivered to news media members to provide information, create an official statement, or make an announcement directed for public release. Press releases are also considered a primary source, meaning they are original informants for information.
Media Pitch - is a short, concise email (historically a letter or phone call) to a journalist or influencer. The pitch is similar to an elevator pitch in length, but the message of the pitch is altered from general to more specific to the journalist or influencer's interests.
Media Alert - an announcement of an upcoming event intended for journalists, not the public. Their purpose is to convince reporters that this event is a genuine news story worthy of coverage.