A01 chaf6542 06 se fm indd

Glossary

External value chain or value network 

The links 

between an organisation and its strategic and  non-  strategic 

partners that form its external value chain.

Extranet 

A service provided through Internet and web 

technology delivered by extending an intranet beyond a 

company to customers, suppliers and collaborators.

Eyetracking 

A usability testing technique that provides 

a visual overlay of where visitors most commonly look on 

the screen (heatmaps) and individual or common paths 

(gaze trails).

F

Field 

Attributes of products, such as date of birth.  

See Database.

Filtering software 

Software that blocks specified 

content or activities.

Firewall 

A specialised software application mounted on 

a server at the point where the company is connected to 

the Internet. Its purpose is to prevent unauthorised access 

into the company from outsiders.