You can view ordered (or partly-ordered) and not ordered quotes only, or both. The system submits both statuses by default.
The quote validity.
You can view valid quotes (i.e. whose deadline has not been exceeded) or non-valid quotes only (i.e. whose deadline has been exceeded), or both. The system submits the valid and non-valid quotes by default.The quote approval status.
You can view approved or not approved quotes only, or both. The system submits both statuses by default.