This general meaning refers to repeating an action or task, often because the first attempt was unsatisfactory.
I had to redo the entire calculation.
She redid the test after finding an error.
This meaning refers to altering or improving the design, decoration, or structure of a place or object.
They plan to redo the kitchen next year.
The hotel redid all of its guest rooms.
As an informal noun, redo refers to a second attempt or a newly revised version.
The manager requested a complete redo.
The first draft failed, so the project needed a redo.
