See each label
Corresponds closely. The two have closely corresponding meanings.
Rendered as: subject corresponds closely to object · skos:exactMatch
Similar. Similar meanings; differences may remain.
Rendered as: subject is similar to object · skos:closeMatch
Falls within. The object is broader; the subject covers part of it.
Rendered as: subject falls within (the object is broader) object · skos:broadMatch
Includes. The object is narrower; the subject covers more than it.
Rendered as: subject includes (the object is narrower) object · skos:narrowMatch
A relationship does not make two requirements legally equivalent.