understanding plagiarism

Plagiarism is when someone taking some other original works or thinking and use it and pretend it as own works or thinking. Examples for plagiarism are copying work from a book or internet without referencing it, copying someone essay, buying an essay , submit an essay which is used for another module, collaborate with someone. There also some act that considered as not obvious plagiarism which are copy, paste something from internet, not noting down the referencing details, copy, paraphrase and organise writing from text books, not referencing resources in the body text. Plagiarism should be avoided. Plagiarism is regarded as a very serious offense in academic purpose.