18. A wearable device comprising: one or more processors; a display communicatively coupled to the one or more processors and configured to display information representing a virtual agent to enable a conversation between the virtual agent and a user associated with the wearable device; a power source connected to at least one of the one or more processors or the display; and memory communicatively coupled to the one or more processors and storing instructions which, when executed by the one or more processors, cause the one or more processors to perform operations comprising: receiving user input during the conversation; sending the user input to a first device to be relayed to a second device for processing; receiving, from the first device, a response for the user input and content that is determined by the second device to be related to the user input, the response originating from the second device, the response being based at least in part on a concept for the user input, the concept representing a pattern of components, the pattern of components including at least one of an order of the components or a proximity of the components to each other, each of the components relating to a term for the user input; and wherein the display is further configured to display the response and the content as a message from the virtual agent.
19. The wearable device of claim 18 , wherein the receiving the user input comprises receiving the user input as audio via a microphone.