1.Validity is the extent to which a concept, conclusion or measurement is well-founded and likely corresponds accurately to the real world.
2. Credibility comprises the objective and subjective components of the believability of a source or message.
3. a brief statement or account of the main points of something
4. A paraphrase is a restatement of the meaning of a text or passage using other words
5.quoting is repeating or copying out (a group of words from a text or speech)
6.Plagiarism is the representation of another author's language, thoughts, ideas, or expressions as one's own original work
