A digital assistant, also known as a virtual assistant or AI assistant, is a software program or application that utilizes artificial intelligence (AI) and natural language processing (NLP) technologies to perform various tasks and provide assistance to users. These tasks can include answering questions, providing information, scheduling appointments, making recommendations, and executing commands, among others. Digital assistants are designed to interact with users through voice commands or text-based interfaces, and they can be found on various devices such as smartphones, smart speakers, and computers.