Interior design describes a group of various yet related projects that involve turning an interior space into an "effective setting for the range of human activities" that are to take place there. An interior designer is someone who conducts such projects. Interior design is a multifaceted profession that includes conceptual development, liaising with the stakeholders of a project and the management and execution of the design.
Interior design as carried out in the US is an almost entirely different practice to that carried out in the UK. This article describes interior design that relates mainly to the US.