Difference between Bump Into and Stand Back

BUMP INTO vs STAND BACK: VERB

(of a wicket-keeper) to stand a long way behind the wicket so as to catch balls from a fast bowler
To abstain from participation.
To maintain a safe distance from a hazard.
Stand away from an object or person
Stay clear of, avoid

Find oneself, Peck at, Knock over, Get across, Occursion, Fall upon, Hit on, Happen upon, Come across, Run across, Collide with, Jar against, Butt against, Knock against, Run into

Clear away, Sacar, Collide with, Change posture, Sneak away, Lie low, Chicken out, Score off, Skip over, Slip by, Keep apart, Knock over, Blow over, Concentrate on, Stay away from

Overgo, Slip by, Skip over, Blurt out, Find oneself, Peck at, Knock over, Get across, Occursion, Fall upon, Hit on, Happen upon, Come across, Run across, Collide with

While away, Clear away, Sacar, Collide with, Change posture, Sneak away, Lie low, Chicken out, Score off, Skip over, Slip by, Keep apart, Knock over, Blow over, Concentrate on

Never Google, what happens if they bump into each other?
Mountaineers from Upper Michigan will bump into here on Sunday.
Ezra and Aria bump into each other at the Brew.
First time to bump into this incredible resourceful website.
Call the police if you bump into bush meat!
And where could we bump into her in NY?
Did you literally bump into each other or something?
Oh, sure, I bump into them all the time.
I would bump into Capra at the Academy.
London and bump into Benedict Cumberbatch than wander through your life and bump into a demon.

Then, simply stand back and watch them grow!
When its done i stand back in amazement.
So I kind of stand back a bit.
Put it in a tray and stand back.
Stand back and look at the tree now before you put the soil back into the hole.
During a Burrito Duel, two players must stand back to back, walk three paces, and FIRE.
Stand back: Trains overhang the tracks by about 3 feet, so keep back.
Once everyone is paired off, sit or stand back to back.
Stand back and stand by and we have guys in bulldozers doing this.
Stand back, or in this case stand just close enough to feel the power.