The document defines key political terms like conservative, liberal, subjective, and objective. It then discusses different types of bias that can appear in media reporting, including selection bias through choosing or omitting certain details, placement bias through where a story is featured, headline bias through how a headline is worded, photo and caption bias through choices of images, name and title bias through labels used, statistics bias through manipulating numbers, and tone bias through word choices that have positive or negative connotations. The document provides examples to illustrate how each type of bias can influence reader or viewer opinion.