a call to engage in a contest or fight | a tangible and visible entity; an entity that can cast a shadow |
questioning a statement and demanding an explanation | the goal intended to be attained (and which is believed to be attainable) |
a formal objection to the selection of a particular person as a juror | the focus of cognitions or feelings |
a demand by a sentry for a password or identification | (computing) a discrete item that provides a description of virtually anything known to a computer |
a demanding or stimulating situation | (grammar) a constituent that is acted upon |