The song "Respect Da Shield" by U.S.D.A. is a hip-hop track that primarily focuses on themes of power, aggression, and gang mentality. The lyrics depict a sense of strength and dominance among the artists, asserting their superiority and warning others not to mess with them. The term "U.S.D.A." in the song stands for United Streets D-Boyz of America, which represents a fictional gang or crew that the artists belong to. The title "Respect Da Shield" refers to this gang's symbol or emblem, symbolizing their unity and solidarity as a group. Throughout the song, the artists boast about their weapons and willingness to engage in violence. They reference guns like Mossberg shotguns, AK-47s, and semi-automatic weapons, emphasizing their readiness to protect themselves and take down their enemies. The lyrics also touch on themes of street life, drugs, and criminal activities. The song uses strong language, including racial slurs, which may be interpreted as offensive to some listeners. It's important to note that this song reflects the fictional world created by the artists and should not be taken as a genuine endorsement of violence or criminal behavior.