Seems that the word all is very simple: note means... But if you think about it, not so easy!
You hold in your hands a little book. It says: Notepad. By the way, before this word was written differently, like this: block music! You turn on the radio and hear "the Note of the Soviet government..." And on the street, in one of the shops, see the sign: "Notes". Each time the meaning of this word otherwise.
In Latin nota means a sign, note. Therefore Notepad - booklet (block lists) for notes. And the music notes are called signs, which are represented sounds. Different icons, differently located, transmit duration and pitch (about the length and height you can read the relevant stories). Long notes - integers are represented by circles -
, which are called heads. At half notes attached to the head calm - vertical stick:
. A quarter note looks like a half, only the head is not white, and black:
. Smaller durations are indicated by accession to calm viscous or ribs, or flags, which are sometimes called simply tails:
,
.
Pitch is determined by the position of notes on a stave. Stave or notanother five long horizontal lines on which and between which the notes are. The score line is from the bottom up, like so:

Stave
.
They help to determine which of the notes refers to the sound higher, some lower.
When you look at the stave you can immediately see figure melodies. However, in order to know precisely what the sounds are recorded, you need to see what the key is at the beginning of notonecta, what about him shows signs of alteration.