"Black-on-black" refers to a specific style of art or design where black is used as the primary color, often layered or textured to create depth and contrast. This technique can be seen in various forms, including painting, sculpture, and textiles. Artists may use different materials or finishes to achieve unique effects, emphasizing the richness of black. In the context of crime, "black-on-black" often describes violent incidents occurring within the same racial or ethnic group, particularly among African Americans. This term is frequently discussed in sociological studies and media reports, highlighting issues related to community violence, socioeconomic factors, and systemic challenges faced by the African American community.