Difference between Set About and Go Across

SET ABOUT vs GO ACROSS: VERB

Bring about, Set in motion, Bring forward, Embark on, Collide with, Start out, Go about, Set out, Undertake, Commence, Attempt, Approach, Get, Begin, Start

Run across, Mark out, Run to, Forpass, Border on, Collide with, Put through, Slip by, Travel along, Go past, Get across, Cut across, Overgo, Go through, Pass

Fall upon, Get across, Bring about, Set in motion, Bring forward, Embark on, Collide with, Go about, Set out, Undertake, Commence, Approach, Get, Begin, Start

Run across, Mark out, Run to, Forpass, Border on, Collide with, Put through, Slip by, Travel along, Go past, Get across, Cut across, Overgo, Go through, Pass

So he set about offering the service himself.
Formative and summative feedback tools provide opportunities for students to think critically about their work and set about to make improvements.
But Mike, who heard about the idea, set about writing the virtual panto script and came up with a story instead.
And after I asked him what he was talking about, I set about working on it.
After a year in Italy, in 1954 he moved to Roxbury, Connecticut, and set about completing his second novel, "Set This House on Fire.".
About time somebody set about mending the underlying system and holding people to account.
They set up a school for their children and quickly set about the reestablishment of their daily routines.
Set the snowplow up with shoes set about half an inch above the ground.
So Tim set set about building us some new database servers.
They do not set about helping, instead they set about calculating what will best promote their own standing.

Go across the narrow bridge made of stone.
I just kind of go across the board.
State program, given the ability for people just to go across State lines, to go to another State if we do not have that.
After acquiring the Crossbow, go through the gate in front and turn right and go across the bridge.
Fire trucks would try and go across them and get stuck; police vehicles would try and go across them and get stuck.
He had been prevailed upon to go, and accordingly started, with his wife and one child, to go across the mountains.
Next, go across the bridge and go the house to the right of the watchtower.
Inside the slag pit go across the bridge, on your left will be the Quarry Gate, go through it.
Go across the bridge and turn right to go through the archway again where the two soldiers are.
Go across the railroad tracks, go through town and follow Main Street through a deep right curve.