Constraints: Limits or restrictions that must be met in the solution design.
Criteria: Criteria are the desired standards a design should aim to meet as best as possible.
Empathy: the ability to understand and feel what someone else is experiencing.
Problem Statement: A problem statement is a sentence that clearly outlines the specific problem, user needs, and end goal.
Sentence Stem: A sentence stem is a phrase or part of a sentence with a missing part or parts.