Interior design is the art and science of enhancing the interiors, sometimes including the exterior, of a space or building, to achieve a healthier and more aesthetically pleasing environment for the end user.

An interior designer is someone who plans, researches, coordinates, and manages such projects.

Interior design is a multifaceted profession that includes conceptual development, space planning, site inspections, programming, research, communicating with the stakeholders of a project, construction management, and execution of the design.

Architecture (Latin , from the Greek arkhitekton "architect", from "chief" and "builder") is both the process and the product of planning, designing, and constructing buildings and other physical structures.

Architectural works, in the material form of buildings, are often perceived as cultural symbols and as works of art.

Historical civilizations are often identified with their surviving architectural achievements.

Scrap consists of recyclable materials left over from product manufacturing and consumption, such as parts of vehicles, building supplies, and surplus materials.

Unlike waste, scrap has monetary value, especially recovered metals, and non-metallic materials are also recovered for recycling.

Signage is the design or use of signs and symbols to communicate a message to a specific group, usually for the purpose of marketing or a kind of advocacy.

A signage also means signs collectively or being considered as a group.

The term signage is documented to have been popularized in 1975 to 1980.