What Are Cookies?
(For more general information on cookies see the Wikipedia article on HTTP Cookies.)
Account related cookies
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Orders processing related cookies
This site offers e-commerce or payment facilities and some cookies are essential to ensure that your order is remembered between pages so that it can be processed properly.
Forms related cookies
When you submit data to through a form such as those found on contact pages or comment forms cookies may be set to remember your user details for future correspondence.
Third Party Cookies
This site uses Google Analytics which is one of the most widespread and trusted analytics solutions on the web for helping businesses understand how you use the site and ways that your experience can be improved. These cookies may track things such as how long you spend on the site and the pages that you visit, allowing me keep this information in mind when modifying the content of the website. This information is anonymous and usually seen in terms of graphs and statistics only, and is solely for the eyes of the person running the website.
(For more information on Google Analytics cookies, see the official Google Analytics page)
Hopefully that has clarified things for you and as was previously mentioned if there is something that you aren't sure whether you need or not it's usually safer to leave cookies enabled in case it does interact with one of the features you use on this site.