Can someone explain me what is the difference between hr and p ?

Answer 1

the <hr/> is used to add a line that moves from left to right or right to left.
the <p> tag stands for paragraph .and is used to put contents into a paragragh

Answer 2

P is paragraph tag <p> while
hr is an horizontal line tag which is denoted using <hr/>

Answer 3

<p> is a element, <hr/> is a functional element with the p element to add a horizontal line...I think! :)