[Solved] According to Freud, the stage of psychosexual development in which erotic feelings of children center on the genitals is the ________ stage. A) phallic B) latency C) anal D) oral Purchase Online: The act of buying goods or services over the internet, often through e-commerce platforms and websites, using digital transactions. B2B: Business-to-Business, a model in which businesses provide products or services to other businesses rather than to consumers. B2C: B2C (Business-to-Consumer) describes the process of selling products and services directly from businesses to the end-users or consumers. Volume: The amount of space that a substance or object occupies, or that is enclosed within a container.