It looks like you just copied major parts from elsewhere in the internet and tried to make money of it. I didn't actually check through all of this, but the beginning looked pretty much all copied. If you really want to use text from somewhere else, please quote it properly. You can do this in Markdown using > and then following the quoted text. Then put a source under the quoted text. This can be done in a more fancy way, if you do [some text](link). Adding that all together a proper quote looks like that:

Quotation is the repetition of someone else's statement or thoughts. Quotation marks are punctuation marks used in text to indicate a quotation. Both of these words are sometimes abbreviated as "quote(s)".

Source

The "code" I used for this, looks like that:

> Quotation is the repetition of someone else's statement or thoughts. Quotation marks are punctuation marks used in text to indicate a quotation. Both of these words are sometimes abbreviated as "quote(s)".

[Source](https://en.wikipedia.org/wiki/Quote)