An expression of favorable acceptance and encouragement; a compliment that also condones.
Something mailed by a seller to a collector to match their stated interests; the collector can approve of or return the item.
An expression granting permission; an indication of agreement with a proposal; an acknowledgement that a person, thing, or event meets requirements.
A complaint or annoyance.
A formal complaint, especially in the context of a unionized workplace.
Feelings of being wronged; outrage.
A wrong or hardship suffered, which is the grounds of a complaint.
Violation of regulations or objectionable behavior.
Something which causes grief.