1. Coat of Arms or Heraldry
Peter Cottle
2nd

2. Overview
Coat of arms is commonly mistaken for code of arms, but this is not correct.
It is almost 900 years old but still used today in many countries.
It is not just used for decoration, but some cites in Europe still make and use the symbols for their culture.

3. Where you can find it
The Coat of arms was printed on most shields to show who it belonged to.
You can also find coats of arms on some flags.

4. Example

5. What the colors mean Gold: Generosity and elevation of the mind
Silver or White: Peace and sincerity
Red: Warrior or martyr; Military strength and magnanimity
Blue: Truth and loyalty
Green: Hope, joy, and loyalty in love
Black: Constancy or grief
Purple: Royal majesty, sovereignty, and justice
Orange: Worthy ambition
Maroon: Patient in battle, and yet victorious

6. Furs Ermine: White with black spots. Erminois: Gold with black spots.
Ermines: Black with white spots.
Pean: Black with gold spots.
Vair: Blue and white bell-shaped objects.
Furs usually symbolize dignity.

7. Helmets

8. Shields

9. Banners

10. Mottoes
Hartcup : To a valiant heart, nothing is impossible. (A coeur valliant, rien impossible).
Carnagie, Carnegie: Flying, he keeps his eye on the stars. (Alis aspicit astra).
Perrott Amo: I love as I find. (Amo, ut invenio)

11. Where it came from
Heraldry began around the 12th century in the roman empire and areas around the roman empire.

12. Sources http://www.fleurdelis.com/meanings.htm

13. Video