Contextual explanation: Making meaning clear through explanation. 
Elucidation is best understood as a form of expression—specifically, the act of making something clear or easy to understand by providing explanation or clarification. It involves translating complex, ambiguous, or obscure information into accessible and comprehensible terms for others.

Themes: Clarity and understanding. 
Elucidation is central to the theme of clarity, as it transforms confusion or uncertainty into understanding. It is also closely linked to the broader goal of effective communication, ensuring that ideas, instructions, or concepts are not just transmitted but truly grasped by the audience.

Nuance: Interpretive clarification. 
What distinguishes elucidation within its category is its interpretive aspect—the focus is on actively clarifying meaning, often by rephrasing, illustrating, or contextualising information to suit the needs of the listener or reader. This sets it apart from simply conveying information, as elucidation requires sensitivity to potential misunderstandings and a deliberate effort to resolve them.