There are lots of terms in cooking that can be used and you aren’t sure what it really means.
Dice is one.

Dice is chopped into small pieces.
Some recipes may call it diced or finely diced.

Just chopping is cutting into bigger pieces.

When you chop into dice, you want all the pieces uniform and fairly small.

Smaller than dice or diced is minced.
Minced is about the smallest you can go.

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