There are generally two types of debit cards: physical and virtual. While you can touch a physical debit card and use it for payments online and in-person, a virtual debit card is not a tangible object but a randomly generated number for online transactions only.
Nevertheless, debit cards can be classified into a variety of types based on how they were designed, the company that branded them, and the purpose for which they were made. So, you may find other types of credit cards in another article.