This essay describes ways in which writing is often considered to be vague, and then discusses strategies to avoid such problems and fix affected articles.

This is an essay. It contains the advice or opinions of one or more Wikipedia contributors. This page is not an encyclopedia article, nor is it one of Wikipedia's policies or guidelines, as it has not been thoroughly vetted by the community. Some essays represent widespread norms; others only represent minority viewpoints.

This page in a nutshell: Try to use clear and well-defined words in all articles.

However, this can confuse the readers if it is not clear what the pronoun is standing in for.

In John McCain's article:

Wrong: Palin was picked as his running mate. (Whose?)

Better: John McCain picked Sarah Palin as his running mate.