For the purposes of this chapter, the following words shall have the meanings ascribed herein, unless the context otherwise requires:
"Department" shall mean the Mississippi Development Authority.
"Office" shall mean an administrative subdivision of the department.
"Executive director" shall mean the executive officer of the department.
"Agricultural and Industrial Board," "Department of Economic Development," "Board of Economic Development," "Department of Economic and Community Development" and "Mississippi Department of Economic and Community Development" wherever they appear in the laws of the State of Mississippi, shall mean the "Mississippi Development Authority," operating through its executive director.