Plagiarism involves presenting someone else's work or ideas as if they are your own, which is considered unethical in academic writing.
"Coherence" refers to how well the ideas in a text are logically organized and connected to ensure the reader can follow the argument easily.
"However" is a transition word used to show contrast between ideas or sections, helping to guide the reader through the argument.
A thesis statement clearly articulates the main argument or point of the essay, guiding the direction and focus of the writing.
An abstract provides a concise summary of the key components of the research paper, including the purpose, methodology, results, and conclusions.