Define the term "narcotic."

The term "narcotic" refers specifically to a class of drugs that are primarily used for pain management. These drugs, which include opioids, can induce sedation, making them effective for treating moderate to severe pain. Additionally, narcotics have a high potential for dependence, as their pain-relieving properties can lead to misuse and addiction in susceptible individuals. This classification reflects both their therapeutic use and the risks associated with their use, highlighting the need for careful monitoring when prescribing these medications. The other options presented do not accurately define narcotics, as they describe different classes of drugs with distinct purposes and effects unrelated to the characteristics of narcotics.