There are various types of paper designed for different uses. For instance, printer paper is commonly used for everyday printing and comes in various weights, typically around 20 lb. Cardstock is thicker and sturdier, making it ideal for business cards and invitations. Another type is newsprint, which is lightweight and inexpensive, primarily used for newspapers. Photo paper is specially coated to enhance image quality for printing photographs. Each type of paper serves a specific purpose, ensuring optimal results for various projects.