Partisanship: This refers to strong support for one's own political party and its policies; it's like being part of a sports team and always cheering for them no matter what.
Interest Group: These are organized groups that aim to influence public policy. They're similar to advocacy groups campaigning for specific causes.
Political Polarization: This is when public opinion divides and goes towards extreme ends. Imagine two friends who start with slight disagreements but end up on completely opposite sides after heated debates.