Gmail/Settings

What are GMail Settings?
Settings in Gmail allow you to change the display language, show a certain number of conversations per page, turn keyboard shortcuts on/off, set indicators, show/not show snippets, create a signature, set a vacation responder, set outgoing encoding, send mail as a different account, change Google account settings, manage labels, manage filters, set forwarding, manage POP, manage chatting in GMail and manage webclips.

How do I Access Settings?
On the top right-hand corner, next to your email address, click settings.