Answer:
It helps people understand what is being read. Since I'm wanting to be an author I know some stuff about punctuation.
Step-by-step explanation:
You see when you use " symbol it helps people know that the person is speaking and not just thinking. I have example
Example: sally turns her head and smiles, "I see you Rick".
this is example of her speaking let me show you what it looks like without " symbol
sally turns her head and smiles, I see you Rick.
see this doesn't look right and it is hard to tell if she is thinking or speaking.
The . symbol obviously helps people know you are done with a thought
Example: David finished lunch placing his tray in the trash. Which Sarah did the same following close behind.
this shows the correct way to use the period to finish two independent thoughts.
David finished lunch placing his tray in the trash which Sarah did the same following close behind.
this is the incorrect way to place a period. It makes the sentence seem rushed and not complete
( I hope this helps! If you need more explanations please just comment below!)
:)