society > occupation and work > business affairs > a business or company > run a business [verb (intransitive)] > close business (2)
to shut up (†one's) shop: to close one's business premises, esp. (in later use) permanently or for an extended period; to withdraw from or bring to a…
spec. A movable wooden or iron screen, applied to the outside or the inside of a window, to shut out the light or to ensure privacy or safety.