A business or industrial establishment whose employees are required to be labor union members as a precondition to employment.

Cut very short. / Having the hair cut very short.

(of a video recording or broadcast) Having captions that can only be seen with the appropriate equipment.

set close together

A circuit through which electrons can flow. / A complete electric circuit around which current can flow.

That consists of a closed circuit

Of a corporation or other business, owned by a small number of people, and not having shares of ownership sold via a stock exchange or other public market.

In near proximity.

(photography) A photographic (or other) image in which the subject is shown at a relatively large scale, and occupies most or all of the frame.

Alternative spelling of closed-source