When is a change of content a change of context

Name: Michael Stenitzer
Email: stenitzer@wienfluss.net
Affiliation: accessible media
Document: UW
Item Number: (none selected)
Part of Item: Examples
Comment Type: editorial
Summary of Issue: When is a change of content a change of context
Comment (Including rationale for any proposed change):
Provide additional examples for a \"change of context\". This is a very abstract concept and it might not be clear when a change of content within a web page is a change of context. 

Proposed Change: