아래(a-rae, arae)
General, broad term for 'below' or 'underneath,' usable for people, objects, or broad spaces
When to use
casual speech, broad spatial location, relative position
The nuance
Common in daily speech and writing; better for relative or general positions than specific points.
밑(mit)
Directly underneath an object, often implying physical contact or very close proximity
When to use
directly under object, physical contact, casual spoken
The nuance
Used when referring to positions directly touching or immediately below an object; common in daily speech.
하단(ha-dan, hadan)
Formal or technical term for the bottom part or lower end of documents, screens, or objects
When to use
formal documents, technical description, design contexts
The nuance
Used mainly in formal documents, reports, design, or technical contexts to specify exact lower parts.