You should know, What Is Plagiarism?
The act of pretension where you take one’s words and make them your own it can include ideas, thoughts, or any material that you can see/hear and make a copy of.
If we talk in a legalistic manner then taking someone’s copyright and claiming it to be yours is unintentional plagiarism.
In the world of the internet, it is not considered a crime, but it just shows deceitfulness in that person’s character. Question is why does it matter? Well, in academics, it can put people into serious trouble, if caught plagiarizing, will not only face punishments but lose the time a beginner can utilize to learn.
In this cyberspace, there can be many mistakes that can trigger duplication. One of the most significant ones is failing to put a quotation mark, even if you had no intention of taking someone’s words but forgetting to give credits or quoting the name can put your content to serious complications.
The most common problem plagiarized content has to face is expulsion from the search engine page result (SERP), and websites which are aiming for a better rank can’t afford that.
Therefore plagiarism checker will inform you of all the areas of the internet where it finds similarity or duplication in the content. The concept of thinking that, self-plagiarism is only copying some other's paintings or borrowing someone else's unique idea. In my thoughts like "copying" and "borrowing" can cover the seriousness of the offense:
According to the Oxford Dictionary Plagiarise is:
“The practice of taking someone else's work or ideas and passing them off as one's own”
In precise words, plagiarism is an act of fraud. It involves each stealing someone else's artwork and lying approximately it in a while.