a change of position that does not entail a change of location | a recognized sequence of moves at the beginning of a game of chess |
the act of changing location from one place to another | the act of opening something |
the use of movements (especially of the hands) to communicate familiar or prearranged signals | becoming open or being made open |
a formal proposal for action made to a deliberative assembly for discussion and vote | the first of a series of actions |
a natural event that involves a change in the position or location of something | a vacant or unobstructed space that is man-made |
an optical illusion of motion produced by viewing a rapid succession of still pictures of a moving object | an entrance equipped with a hatch; especially a passageway between decks of a ship |
a state of change | an aperture or hole that opens into a bodily cavity |
| a possible alternative |
| the initial part of the introduction |
| the first performance (as of a theatrical production) |
| a ceremony accompanying the start of some enterprise |
| an open or empty space in or between things |
| opportunity especially for employment or promotion |