Mention the elements of the announcement!

1. Stating Purpose : Stating purpose is the text which contains "what event will be held"
2. Stating Day and Date and time   : Day and Date realization. The text that contains when would the event will be held
3. Stating Place : Stating place is the text that whhich contains where would the event will be held
4. Informing Sender : The text that contains name of the person who will be contacted