Glossary of terms
Cookies are files containing information about visitors to a web site (e.g. user name and preferences). This information is provided by the user during the first visit to a web server. The server records this information in a text file and stores this file on the visitor's hard drive. When the visitor accesses the same web site again the server looks for the cookie and configures itself based on the information provided.
Log files are files created by a web or proxy server which contains all of the access information regarding the activity on that server.