Text-markup tags (physical & logical).

This sentence is normal. This sentence is big. This sentence is big+big. This sentence is small. This sentence is small+small.

This sentence is bold. This sentence is italicized This sentence is bold. This sentence is bold+italics. This sentence uses the S tag. FONT tag can set color, size, and font-face.
This sentence is red (and tiny!) This sentence is green (and "green" is big).

Below are some "logical" markup tags:

This sentence is strong. This sentence is emphacized. This sentence has strong+emphacized.
This is "TT" text.
This is "address" text.

Following is a block quote:

Blah blah blah ...

Blah blah blah ...

`
This text is centered

xj3 + π r2 

		This
			is
				pre-formatted text

	(No word-wrap / monospaced font.)
X O X
X X O
O X O

Now for some lists:

    Ordered lists come in five types:
  1. TYPE=1
  2. TYPE=A
  3. TYPE=a
  4. TYPE=I
  5. TYPE=i
    Unordered lists types
  1. Circle
  2. Disc
  3. Square
Tables can also be used for layout.

Hyperlinks:
Click to go to the class page (in a new window).

College website.

ASCII table