F-SECURE CLIENT SECURITY 8.00 Administrator's Manual page 317

Subnet
Short for "subnetwork", it is a section of a network. Usually,
computers within the same subnet will be physically near to each
other and will have IP addresses that begin with the same two or
three numbers.
System Event Log
A service that records events in the system, security, and application
logs. F-Secure Client Security events are recorded in application
logs.
TAC Score
The TAC score determines how likely the application is malware, 1
being the least and 10 being the most problematic. The product does
not notify you about objects with TAC score of 2 or less.
TCP/IP
(Transmission Control Protocol/Internet Protocol) This is the suite of
protocols that defines the Internet. Originally designed for the UNIX
operating system, TCP/IP software is now available for every major
kind of computer operating system. To be truly on the Internet, your
computer must have TCP/IP software.
Text file
Any file whose contents are intended by the file's creator to be
interpreted as a sequence of one or more lines containing ASCII or
Latin printable characters.
Tracking cookie
Tracking cookies track your web browsing habits. They can collect
information of pages and advertisements you have seen or any other
activity during the browsing. Different websites can share tracking
cookies and each website with the same tracking cookie can read
and write new information into it.
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