Key
Part of speech: adjective
Definition: Indispensable. Important, salient.
Part of speech: verb
Definition: To fit (a lock) with a key. To fit (pieces of a mechanical assembly) with a key to maintain the orientation between them. (telegraphy and radio telegraphy) To depress (a telegraph key). (radio) To operate (the transmitter switch of a two-way radio). (more usually to key in) To enter (information) by typing on a keyboard or keypad. To vandalize (a car, etc.) by scratching with an implement such as a key. To link (as one might do with a key or legend). To mark or indicate with a symbol indicating membership in a class.
Part of speech: noun
Definition: An object designed to open and close a lock. An object designed to fit between two other objects (such as a shaft and a wheel) in a mechanism and maintain the orientation between them. A crucial step or requirement. A guide explaining the symbols or terminology of a map or chart; a legend. One of several small, usually square buttons on a typewriter or computer keyboard, most of which generally correspond to a particular character. One of a number of rectangular moving parts on a piano or musical keyboard, each causing a particular sound or note to be produced. One of various levers on a musical instrument used to select notes, such as a lever opening a hole on a woodwind. A hierarchical scale of musical notes on which a composition is based A device used to transmit Morse code. A piece of information (e.g. a passphrase) used to encode or decode a message or messages. In a relational database, a field used as an index into another table (not necessarily unique). A value that uniquely identifies an entry in an associative array. The free-throw lane together with the circle surrounding the free-throw line, the free-throw lane having formerly been narrower, giving the area the shape of a skeleton key hole. kilogram One of a string of small islands.
Example sentence: That is the key of this collection, being yourself. Don't be into trends. Don't make fashion own you, but you decide what you are, what you want to express by the way you dress and the way to live.
Important
Part of speech: adjective
Definition: Having relevant and crucial value.
Example sentence: Learn from yesterday, live for today, hope for tomorrow. The important thing is not to stop questioning.