DTC is a marketing model.

specifically, it refers to the marketing mode directly facing consumers, which includes any communication activities aimed at end consumers. Compared with traditional media such as TV advertisements, it has the advantages of being closer to consumers, paying more attention to the study of consumer behavior, and paying more attention to the grasp of consumers' lifestyle.

DTC promotion activity:

an important method under DTC integration mode, compared with the regular activities of pharmaceutical enterprises in the terminal, the fundamental difference lies in the accuracy of the target objects corresponding to the promotion activities. Conventional terminal promotion is only carried out by enterprises from their own sales standpoint, such as cooperating with TV advertisements, seasonal promotion, digesting inventory, and helping to place goods through channels.

above content reference: Baidu Encyclopedia -DTC Marketing