A desk is a furniture

Furniture

Furniture is the mass noun for the movable objects intended to support various human activities such as seating and sleeping in beds, to hold objects at a convenient height for work using horizontal surfaces above the ground, or to store things...

 form and a class of table

Table (furniture)

A table is a form of furniture with a flat and satisfactory horizontal upper surface used to support objects of interest, for storage, show, and/or manipulation...

 often used in a work or office

Office

An office is generally a room or other area in which people work, but may also denote a position within an organization with specific duties attached to it ; the latter is in fact an earlier usage, office as place originally referring to the location of one's duty. When used as an adjective, the...

 setting for reading or writing

Writing

Writing is the representation of language in a textual medium through the use of a set of signs or symbols . It is distinguished from illustration, such as cave drawing and painting, and non-symbolic preservation of language via non-textual media, such as magnetic tape audio.Writing most likely...

 on or using a computer

Computer

A computer is a programmable machine designed to sequentially and automatically carry out a sequence of arithmetic or logical operations. The particular sequence of operations can be changed readily, allowing the computer to solve more than one kind of problem...

. Desks often have one or more drawers to store office supplies and papers. Unlike a regular table, usually only one side of a desk is suitable to sit on (though there are some exceptions, such as a partners desk

Partners desk

A partners desk is an antique desk form which is basically two pedestal desks constructed from the start as one large desk joined at the front, for two users working while facing each other...

). Not all desks have the form of a table. For instance, an armoire desk

Armoire desk

An armoire desk is a writing-table built within a large cabinet, usually 1.5-2.0 m high. The cabinet is closed by two to four full-height doors, to keep out dust or to give a tidy appearance to a room by hiding the cluttered working surface of the desk...

 is a desk built within a large wardrobe-like cabinet

Cabinet (furniture)

A cabinet is usually a box-shaped piece of furniture with doors or drawers for storing miscellaneous items. Some cabinets stand alone while others are built into a wall or are attached to it like a medicine cabinet. Cabinets are typically made of wood or, now increasingly, of synthetic...

, and a portable desk

Portable desk

The portable desk has not one but many forms. In a sense, the portable desk is a long-lost ancestor of the portable computer, and the modern laptop could be considered an atavistic grandchild of the 19th-century Lap desk....

 is light enough to be placed on a person's lap.