How can I tell how old my acoustic guitar is?

For US instruments, the serial number will start with a letter. That letter indicates the decade. The second character will usually be a number. That number indicates the specific year.

Whats the head of the guitar?

Head-Stock A headstock is the part of a guitar that helps anchor the guitar strings at the top end of the guitar. The headstock is the term that describes the part of the guitar that holds the tuning machine nuts (which are used to adjust the pitch of the guitar strings), Nut and Trust Rod.

Are guitars fragile?

While an electric guitar might have a solid body that looks it can take a few knocks, an acoustic guitar is all fragile wood, thin lacquer and impossibly subtle joins. A quick lacquer check for fine cracks on the surface of your guitar should help to tell you whether youre caring for your acoustic guitar properly.