Difference between Departs and Sidetrack

DEPARTS vs SIDETRACK: NOUN

A short stretch of railroad track used to store rolling stock or enable trains on the same line to pass
A railroad siding.
A short line of rails branching off by a switch from the main line of a railroad, and either returning to it or not at the further end, for use in turning out, shifting rolling-stock, etc.; a siding.
A second, relatively short length of track just to the side of a railroad track, joined to the main track by switches at one or both ends, used either for unloading freight, or to allow two trains on a same track to meet (opposite directions) or pass (same direction); a railroad siding.
Any auxiliary railroad track, as differentiated from a siding, that runs adjacent to the main track.
A smaller tunnel or well drilled as an auxiliary off a main tunnel or well.
An alternate train of thought, issue, topic, or activity, that is a deviation or distraction from the topic at hand or central activity, and secondary or subordinate in importance or effectiveness.

Wander from a direct or straight course
To divert (a locomotive) on to a lesser used track in order to allow other trains to pass.
To divert or distract (someone) from a main issue or course of action with an alternate or less relevant topic or activity; or, to use deliberate trickery or sly wordplay when talking to (a person) in order to avoid discussion of a subject.
To sideline; to push aside; to divert or distract from, reducing (something) to a secondary or subordinate position.
To deviate briefly from the topic at hand.

To transfer to a siding from a main line of track.
Hence, fig., to divert or reduce to a position or condition that is relatively secondary or subordinate in activity, importance, effectiveness, or the like; to switch off; to turn aside, as from a purpose.

To put upon a side-track; shift from the main line of a railroad to a subsidiary one; shunt.
Figuratively, to divert to one side; turn aside from the proper or the practicable course.
To pass to a side-track; come to rest on a siding.

Set forth, Take off, Part, Set off, Vary, Digress, Sidetrack, Stray, Diverge, Straggle, Quit, Start, Go, Deviate, Leave

Misappropriate, Spur, Avert, Deflect, Detract, Highjack, Hijack, Divert, Distract, Railroad siding, Siding, Straggle, Stray, Depart, Digress

Departure, Take leave, Set out, Go away, Take off, Part, Set off, Vary, Stray, Diverge, Straggle, Quit, Start, Deviate, Leave

Intersected, Perforate, Derail, Drilling, Misappropriate, Spur, Avert, Deflect, Detract, Highjack, Divert, Distract, Straggle, Stray, Depart

Jesus departs Jerusalem to Bethany for the night.
The booking time is when your flight departs.
Roger Stone departs federal court in Washington, Feb.
Republic, his own proper strength departs from him.
Modular construction departs frild process in several respects.
Malton Express departs from the Viscount monorail station.
UF A departs slightly from the statutory definition.
Sea Air departs from the South Terminal only.
Spans of service below show when first bus departs terminal of origin through last bus departs terminal of through!
Departs Road Town, Departs Virgin Gorda, Departs Anegada.

Ownership of the sidetrack and all industry is yet to be determined.
This action must not discourage or sidetrack you from achieving your Everest.
God is interested in that talent we tend sidetrack as not needed.
However, user must lease sidetrack to assure continued placement of cars desired.
The rest is just a sidetrack, though neither goal will be easy.
Crews quickly installed a sidetrack to route traffic around the wreck.
Capitalists sidetrack the women into clubs and make ladies of them.
The sinuous, supple twisting back of chiasmus can sidetrack desire.
My apologies for the sidetrack, that is important info!
Or am i completely on a sidetrack here?