What is a coffee table?
A coffee table is a piece of furniture typically used in a living room or sitting room. Designed to be placed in front of a sofa or seating area, is typically used for holding drinks, books, magazines, or other small items. It is usually low to the ground and made of wood or glass. Even though traditionally, it is a little different from cocktail table and tea table, nowadays they can be considered as the same thing in most cases.
Frequently-seen Types of coffee table:

-Traditional coffee tables: These are the most common type of coffee table and are typically made of wood. They can be simple or ornate in design, and come in a variety of styles, such as Victorian, Art Deco, or Colonial.

-Glass coffee tables: These tables feature a glass top and can be made of metal, wood, or a combination of both. They are popular for their modern and minimalist look.

-Lift-top coffee tables: Such coffee tables have a top that can be raised to create a convenient work surface or eating area. They are great for small spaces or for use as a multi-functional piece of furniture.

-Nesting coffee tables: Thenesting tables come in a set of two or more and can be arranged together to save space, or separated and used as individual tables.

-Ottoman coffee tables: Theyfeature a padded top that can be used as a footstool or seating area.

-Outdoor coffee tables: Designed for use on a patio or deck, those tablesare made of weather-resistant materials, e.g.: aluminum, wicker, or teak.

All types of those tables can be featured with drawers or compartments for storage or just with minimalist tabletop without storing spaces. See the popular coffee tables at Povison: drum coffee table, round coffee table with storage.