Bread

Bread is a food made from flour, usually wheat or other cereal, water and salt, forming a mass which may be added various ingredients.

The bread is called the "staff of life". The word bread in the Bible is also used in a wide sense meaning our food as in:

History
The bread was the most important commodity of the ancient Near East. Around the first century, a Roman philosopher, Pliny the Elder, described the adulteration of bread with chalk and cattle fodder. One of the ostensible differences between the Eastern and the Western wings during the time of the schism were the use of unleavened bread in the Eucharist instead of the leavened bread used in the East.

Kinds of bread

 * Wheat bread (white bread) - It has at least 90% wheat; middlings less than 10%; may have added milk or milk products, sugar and fats.
 * Rye bread - It has at least 90% rye flour, up to 10% wheat flour; other ingredients sum under 1%.