A glossary entry can be moved up or down inside its glossary, relatively to other entries of that same glossary having the exact same short form.
The MoveHighlightedExpansionUp command moves the glossary entry that is currently highlighted up.
The MoveHighlightedExpansionDown command moves the glossary entry that is currently highlighted down.
The MoveHighlightedExpansionTop command moves the glossary entry that is currently highlighted to the top.
The MoveHighlightedExpansionBottom command moves the glossary entry that is currently highlighted to the bottom.