The first electric guitar in the world was created in the middle of XX century by Leo Fender.

Parts of a guitar (all you need to know):

1. Wood
2. Body
3. Neck
4. Pickups
5. Bridge
6. Nut
7. Fingerboard

First, there are two types of sound, you can get them by the tone of the woods color.  A dark tone of color will give you a harder sound, but if the tone of wood it's lightly the sound will be as the word says light.  

There are different styles of bodies, but the most common are the Stratocaster, Fliying V style and Gibson Les paul style.





Flying V















Stratocaster












Les paul







What kind of guitar pickups are there?

Well, there are two types of pickups:

• Singlecoil

• Humbucker

The diference between those are simple, but there are two types of each one:
 Active pickups and Passive pickups.

The first one requires a 9v battery to work, this type gives you a sound a little bit artificial perfectly to genres like Deathcore lml, the second one don't need the battery and give you a sound more natural perfect for arpeggios and clean sound.

The humbuckers are for Heavy distortion, with this pickups the background noise is lower than the singlecoil in the distortion channel.

The single coil are for clean sound, it gives a good distortion but not like the humbuckers.

Types of bridge 

There are a lot of bridges types but I will write for the most common in the metal genres.

• The floyd rose floating bridge

This bridge has a bar called "whammy bar" cause' when you pull it the strings make a sound like wha wha.  

• The tune o matic bridge  

This bridge it's very simple, it's function is just control the distance of the string from the body and tune it.

I have an Ibanez RGIB6, it's a baritone guitar, I think it's awesome but it have many troubles like the action of the strings that I have to put it a little bit higher in the 6th string, the 1st string it's a headache because it breaks when I tune the guitar, It's so irritable. 

NOTE:

An electric baritone guitar is a guitar that you will able to tune it down with thick strings gauge (like 14-68) without breaking the neck but putting in your guitar thick strings you will not able to tune the guitar in standard E tunning. The baritone guitars has a bigger scale length than the standard guitars ( Baritone scale length: 25 to 28 Standard guitar scale length: 19-24)