doubt
beep (electronically-produced tone)
to scan
to tap a card
think
doubt
A sentiment; an opinion.
Mental apprehension of whatever may be known, thought, or imagined; idea, concept.
An invention; an ingenious device; a knickknack.
Any small article used in sewing and haberdashery, either for attachment to garments or as a tool, such as a button, zipper, or thimble.
Inclination; intention; disposition.