Straight; not crooked, oblique, or circuitous; leading by the short or shortest way to a point or end.
having a single flight number.
Pertaining to, or effected immediately by, action of the people through their votes instead of through one or more representatives or delegates.
Immediate; express; plain; unambiguous.
Proceeding without deviation or interruption.
Straightforward; sincere.
In the line of descent; not collateral.
In the direction of the general planetary motion, or from west to east; in the order of the signs; not retrograde; said of the motion of a celestial body.
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.
To point out to with authority; to instruct as a superior; to order.
Forward and/or backward, relative to some defined direction.
Relating to length, or to longitude.
Running in the direction of the long axis of a body.
Sampling data over time rather than merely once.
Any longitudinal piece, as in shipbuilding etc.
A railway sleeper lying parallel with the rail.