CSS Child vs Descendant selectors

Question

I am a bit confused between these 2 selectors.

Does the descendent selector:

div p

select all p withi

Answer 1

CSS selection and applying style to a particular element can be done through traversing through the dom element [Example

Example

.a .b .c .d{
    background: #bdbdbd;
}
div>div>div>div:last-child{
    background: red;
}

The first paragraph.
 
The second paragraph.
  
The third paragraph.
   
The fourth paragraph.
   
The fourth paragraph.