Lindsay has a business communication problem that she has never seen before. to solve it, she should use which are basic guidelines, rough models, and other aids that can her relate the problem to something else so that she isn't starting the solving process from scratch.

heuristics

Explanation:

Based on the information provided within the question it can be said that in this scenario Lindsay should use heuristics. This term refers to any approach rough models to problem solving which are not perfect or even optimal but will still achieve the short-term goal that needs to be reached. Thus still solving the problem a lot faster than starting from scratch.

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