What is it?
Variables that contain phrase-level content that needs to be in a topic no matter what document the topic is part of, but that changes depending on context, for example, a product name or a company name.
Why is it important?
Content variables have been a key factor in allowing reuse of content across products and platforms. By isolating terms or phrases that are likely both to appear in multiple places and to change depending on factors external to the content itself, those terms or phrases can be modified for publication without modifying the actual topic content.