The Shields have one directional indicator and can only move one space at a time.

The Probes have two directional indicators and can move one or two spaces at a time.

The Commander has four directional indicators, but can only move one space at a time.

A "directional indicator" points the way to mission objectives.

A blinker is a type of automotive lighting (directional indicator).

His black box promptly lit up again, and this time the entire face went red, unable to give him a directional indicator.

The second system is a typical East/West layout, with directional indicators.

She pondered, then attached a directional indicator to the monitor.

One of these, used correctly, is a very good directional indicator.

Sinister (meaning left in Latin) is merely a directional indicator.