Ichnography, a term referring to the representation of a building or land area on a map, can also be referred to as plan, diagram, or blueprint. Other synonyms include chart, sketch, design, layout, and floor plan. Ichnography is often used in architecture, landscaping, and urban planning, and these synonyms can be used interchangeably to indicate the same concept of a visual representation of a space or structure. These words are often used in conjunction with other design terms, such as elevation, perspective, or section, to provide a comprehensive understanding of a space or building. No matter the term used, all refer to the art of visually representing a built environment.