don't be ashamed of not knowing......and go to a guitar store, find a teacher and ask him; a hands on experience is a whole lot more useful than internet crap because the sites confuse you and try to sell you books by making it look a lot more complicated than it actually is.
It is a visual representation of the fretboard. The horizontal lines are the strings. The 6th string is low E and the 1st string is high e. The spaces between the vertical lines are the frets. All the round things are the notes you play. The red note is the root of the scale, the main note around which the sound is centered.
I'll take the first one as an example.

The red note is the root note of the scale.
The numbers on the scale are the suggested fingerings you should use.

As you may or may not know - the major scale is diatonic. It contains 7 different notes. Starting on the red note on the 6th string, count 7 notes up. That's the major scale - as you'll notice, after the first 7 notes - it starts again.

The image that's supplied is a moveable pattern you can apply anywhere on the fretboard and designate your own root note depending on what key you want to play in.

If you were to play that pattern, with the first root note on the 8th fret of the low E string, you'd be playing the C major scale panning two octaves. The 8th fret of the
low E string is a C note - which, in this tab form, is our designated root and applied pattern.

[B]C Major Scale Pattern. (Root (C) notes in bold)[/B]


If you were to start on the 5th fret and play that pattern, you'd be playing the A major scale and so on and so forth.

The same applies to all the patterns on that website.

Edit: ^Yeah, or what bangoodcharlote said
Last edited by Johnljones7443 at Jun 16, 2006,