147．An open system is a system that has external interactions. Such interactions can take the form of information, energy, or material transfers into or out of the system boundary, depending on the discipline which defines the concept.
An open system is a system that regularly exchanges feedback with its external environment.
148．Opinion leader: individual with a particular influence on an organization’s publics；opinion leaders may be formal or informal.
149．Out-of-home advertising: advertising venues designed to reach people in locations other than home or offices, including billboards, transit and aerial advertising.
150．Out-sourcing: A practice used by different companies to reduce ...view middle of the document...
A letter or email sent to an editor or agent which details an idea for a magazine, newspaper, book or other publication, along with an attempt to sell this particular idea, along with yourself as the potential writer.
157．Position statement : type of opinion material used by organization to analyze issues and present formal opinions on issues of public policy.
158．Positioning: process of managing how an organization distinguishes itself with a unique meaning in the mind of its publics
159．Power words: aspect of verbal communication dealing with strong and evocative language.
160．Presentation software (sometimes called "presentation graphics") is a category of application program used to create sequences of words and pictures that tell a story or help support a speech or public presentation of information.
Presentation software is defined as computer programs designed to allow the user to present information in an engaging way such as with text, pictures, sound and video.
A computer software package used to display information, normally in the form of a slide show.
161. press agentry
162. pretest: type of research design that reviews a situation before a communication project has been implemented, then investigates the situation after the project is completed
163. primary research: generation and analysis of new information to address a research question or problem
164. probability sample: series of techniques for selecting samples of a population based on the principle of probability; categories include simple random, systematic, stratified and cluster sampling.
165. A profession is a vocation founded upon specialised educational training, the purpose of which is to supply disinterested objective counsel and service to others, for a direct and definite compensation, wholly apart from expectation of other business gain.
166. Propaganda: debasement of persuasive communication associated with half-truths and hidden agendas
167. Pseudo-event: activity developed or orchestrated by an organization to provide an opportunity to gain attention and acceptance of key publics
168. Public: group of people that shares a common interest vis-à-vis an organization. Recognizes its significance and sets out to do something about it
169. Public affairs is a term used to describe an organisation’s relationship with stakeholders.
Public affairs generally refers to the building and development of relations between an organization and politicians, governments and other decision makers.
170. Public information: Information that is collected, assembled, or maintained under a law or ordinance or in connection with the transaction of official business by a governmental body or for a governmental body and the latter owns the information or has a right of access to it
171. Query letter type of indirect news material inquiring whether editors or news directors would be interested in a particular article, particularly one contemplated by a freelance writer...