A logo for Chicago Explained, a series from Block Club Chicago.

Chicago Explained answers all your questions about the quirks that define our city, from dibs to TIFs — and everything else.

Got a question about how Chicago works? Email it to Explains@BlockClubChi.org and we’ll consider turning it into a story.

What Do Chicago Alderpeople Do?

From speed bumps to megadevelopments, Chicago’s 50 City Council members hold the power over so many issues that affect your life. What exactly do these mini mayors do all day?