I’d say it’s an interesting phrasing of a general principle, namely the four types of technical documentation. “Preparing people for decisions” is the first and

I’d say it’s an interesting phrasing of a general principle, namely the four types of technical documentation. “Preparing people for decisions” is the first and third types (references and explanations) and “guiding people through tasks” is the second and fourth types (instructions and tutorials). IMO!