The yellow economic circle, also known as the yellow economy, is a system of classifying businesses in Hong Kong based on their support or opposition to the 2019–20 protests.
The classification of shops are :
Yellow - Protestors
Blue - Hong Kong Police
Red - CCP
Green - Politically Neutral

The National Basketball Association is an American men's professional basketball league that is extremely popular. The majority of athletes in the NBA are African American. In light of the shooting of Jacob Blake, an African American individual, the remaining players in the playoffs had discussed boycotting the entire season as a means of protest. However, the players had decided to continue playing and to finish off the season as per usual.

Human Challenge trials involve intentionally exposing people to illnesses in order to test vaccinations or treatments. This method has been successful for advancing research in certain diseases in the past i.e cholera, typhoid, and malaria.

There have been campaigns advocating for a boycott of products made in China. Commonly cited reasons for boycotting include the alleged low quality of products, human rights issues, territorial conflicts involving China, support for separatist movements within China, and objection to more specific matters relating to China, including the government's alleged mismanagement of the COVID-19 pandemic.

Plain clothes policing is routine policing where officials do not wear clothing that immediately identifies them as police. It does not refer to undercover policing, where police take on false identities to gather evidence.

Big-game hunting is a commercial activity involving the hunting of large animals (for example, elephant and lion), often involving wealthy hunters paying to hunt in less wealthy countries.