This paragraph is normal. It has no indentation, margins, padding, letter spacing, word spacing, text justification, or line spacing.
This paragraph has many forms of spacing. The first line of text is indented. Margins indent the paragraph on all sides. Padding puts space between the paragraph and its borders. Letters have 1 extra pixel of space between them. Words have 2 extra pixels of space between them. Text is justified, which adds extra space between words to align text to the left and right edges. And lines have extra spacing between them.