Cookies are small files that are stored in your web browser. They are transferred to the browser by websites you visit to help enhance features and provide the website with information about your browsing habits and usage on that particular website as well as the device you are using, for example.
svSession: Identifies unique visitors and tracks a visitor's session on the site
hs, XSRF-TOKEN, TSx and TSx_d: used for security purposes
smSession: Identifies logged in site members
RequestID: Track visitor behaviour and measure site performance
You can disable cookies through your browser settings, however please be aware that this may decrease performance, security and the functionality of a website in some cases.