If you notice something or someone, you become aware of them.

A notice is a written announcement in a place where everyone can read it.

If you give notice about something that is going to happen, you give a warning in advance that it is going to happen.

A notice is a formal announcement in a newspaper or magazine about something that has happened or is going to happen.

A notice is one of a number of letters that are similar or exactly the same which an organization sends to people in order to give them information or ask them to do something.

A notice is a written article in a newspaper or magazine in which someone gives their opinion of a play, film, or concert.

Notice is used in expressions such as 'at short notice', 'at a moment's notice' or 'at twenty-four hours' notice', to indicate that something can or must be done within a short period of time.

If you bring something to someone's notice, you make them aware of it.

If something comes to your notice, you become aware of it.

If something escapes your notice, you fail to recognize it or realize it.

If a situation is said to exist until further notice, it will continue for an uncertain length of time until someone changes it.

If an employer gives an employee notice, the employer tells the employee that he or she must leave his or her job within a fixed period of time.

If you hand in your notice or give in your notice, you tell your employer that you intend to leave your job soon within a set period of time.

If you take notice of a particular fact or situation, you behave in a way that shows that you are aware of it.

If you take no notice of someone or something, you do not consider them to be important enough to affect what you think or what you do.