2.1　FORMATSOF NOTICES

There are many ways to send notices.It can be in the format of mail，the format of leaflet，or the format of poster.

Some notices are sent in the format of letter.This type of notice is used when the information is conveyed to a limited number of people.Now with access to the Internet almost everywhere，sending notices by e-mail may be the best choice for its swiftness，convenience，and low cost.

Another format of notice is leaflet，which is often used for business promotion.To this kind of notices is often attached a form，for the reader to fill in and send back to obtain some offers like a discount.(https://www.daowen.com)

Notices can also be in the format of poster.Written on blackboards or put up on bulletin boards，poster notice is a common means for an organization to inform its staff of some activities such as meetings，holidays or visits.

In this unit，the notices in the format of posters are to be discussed.