If you withdraw something from a place, you remove it or take it away.

When groups of people such as troops withdraw or when someone withdraws them, they leave the place where they are fighting or where they are based and return nearer home.

If you withdraw money from a bank account, you take it out of that account.

If you withdraw to another room, you go there.

If you withdraw from an activity or organization, you stop taking part in it.

If you withdraw a remark or statement that you have made, you say that you want people to ignore it.