Graffiti is the term used to describe the unauthorized creation of art in public spaces, often using spray paint or markers.

Street art is not always political in nature. It can be created for a variety of reasons, including personal expression, social commentary, or simply to beautify a space.

Mural Art is the term used to describe a large-scale painting or design applied directly to a wall or other surface.

Oil paint is not a common technique used in street art because it is not as portable or quick-drying as other materials, such as spray paint or markers.

Stencil Art is the term used to describe a type of street art that involves cutting or tearing paper or other materials and then pasting them onto a surface.

The decline of traditional art institutions is not a factor that has contributed to the rise of street art in recent years. In fact, many street artists have benefited from the support of traditional art institutions, such as museums and galleries.

Art Market is the term used to describe the process of selling and buying art.

Quaternary Market is not a type of art market.

Primary Market is the term used to describe the market for new art that is being sold for the first time.

The increasing number of art fairs and festivals is not a factor that has contributed to the growth of the street art market in recent years.

Secondary Market is the term used to describe the market for art that has been previously owned and is being sold again.

Government Collectors are not a type of art collector.

Tertiary Market is the term used to describe the market for art that is not considered to be of high quality or value.

The increasing number of art fairs and festivals is not a factor that has contributed to the rise of the street art market in recent years.

Quaternary Market is the term used to describe the market for art that is considered to be of exceptional quality and value.