most important = the biggest - least important = the smallest
p = paragraph
div groups elements together (not visible on the site)
br inserts a line break, you can use it so you don't have to make several paragraphs
example of a br:
Hello there
children!
(used a br element for this)
hr tag makes the line called "horizontal rule" it's used to separate stuff on the page
img = image - src = source || pairing those 2 up to show an image
blockquote element
you sometimes don't have to make a style element for styling the text
placeholder is the text in the label that disappears when we start writting
some css styling you can use for styling
yoyoyoyo