Keyword Punctuation vs Keywor weight?

What are these two terms Keyword Punctuation/Keywor weight and how these are beneficial?

 

Keyword punctuation basically means the use of various punctuation marks or special character SEO technique.
Keyword weight is amount of keywords used with relation to the total number of words used in the entire web page.
Yup, both are quite helpful in SEO.

 

searchers don't use punctuation marks when performing a search so you shouldn't target them in your seo efforts.

 

Can you examplify it then it can be understood easily?

 

both are important and also keyword denisity

 

Keyword punctuation refers to the signs used in a keyword.
Keyword weight refers to the number of times a keyword is present in a website. t is similar to keyword density.