(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.

Able to be directed.

plural of directivity

comparative form of direct: more direct

Archaic form of director.

An instruction or guideline that indicates how to perform an action or reach a goal.

That which directs; serving to direct, indicate, or guide. / (grammar) Relating to the directive case.

Directly.

To manage, control, steer. / To aim (something) at (something else). / To point out to or show (somebody) the right course or way; to guide, as by pointing out the way.

Proceeding without deviation or interruption. / Straight; not crooked, oblique, or circuitous; leading by the short or shortest way to a point or end. / Straightforward; sincere.