Brand identity includes all the visual elements associated with your brand, from your logo and typography to colors, product packaging design, website design, and even your social media graphics. Typically, any brand asset is a component of your brand identity.
Art direction is about evoking the right emotion, it's about creating that connection to what you're seeing and experiencing. By contrast, design is the technical execution of that connection.
Digital experiences are that portion of technology that allows companies to go beyond digitizing paper processes in order to create services that are possible only because of the internet and other modern technologies.