Thank you for the opportunity to help you with your question!
Networking is when an individual goes to some type of social event or atmosphere and exchanges their contact information and business cards with another individual. These individuals could use these individuals to advance themselves within their careers and use the new connections to develop even more opportunities. Typically these relationships rely strictly on buisness and never includes your personal life.
Please let me know if you need any clarification. I'm always happy to answer your questions.