1) The term "bull market" refers to a period of rising stock prices, while a "bear market" refers to a period of falling stock prices.

2) The concept of political parties allows for organized groups to mobilize support, articulate policy positions, and compete for political power through elections and political campaigns.

3) The most intense cyclone ever recorded was Cyclone Tip in 1979, with a minimum central pressure of 870 millibars and maximum sustained winds of 190 miles per hour (305 kilometers per hour).

4) The most-watched television event in the United States is the Super Bowl, with millions of viewers tuning in each year.