This presentation discusses pointers, virtual functions, and polymorphism in C++. It defines pointers as variables that hold the addresses of other variables, and explains how pointers can point to objects through examples. Virtual functions allow a single base class pointer to refer to objects of derived classes by determining the function to call at runtime based on the object's type. Polymorphism means one name can have multiple forms, and it is a key feature of object-oriented programming that allows functions to work with objects of different types through virtual functions.