Move back and Opt out

Move back verb - Pull back or move away or backward.

Opt out and move back are semantically related. in go away topic. In some cases you can use "Opt out" instead a verb "Move back".

Opt out verb - Choose not to do something, as out of fear of failing.

Move back and opt out are semantically related. Sometimes you can use "Move back" instead a verb "Opt out".