Indicating direction. / Of or relating to guidance or help.

Something that indicates direction, such as a vehicle's turn signal.

present participle of direct

Third-person singular simple present indicative form of direct

plural of directive

The state or quality of being direct.

plural of directional

(physics, electrical engineering) A measure of the performance of an antenna compared to an isotropic antenna; the ratio of the maximum value of radiation intensity to the average radiation intensity.

plural of directness

Able to be directed.