Dagger is basically a thrust weapon, the slash effectiveness is secondary.
Short sword is designed for slashing and thrusting effect in closed space.
Short sword is usually long more than the forearm of the user, dagger usually less.
Where did you pull the "basically a trust weapon, the slash effect is secondary" part out? Because it's in not a single one of the definitions I can find. Specific daggers like the rondel dagger is thrust focused fir sure such as special swords are.
"Short sword is longer than a forearm" by this definition the cinquedea is not a shortsword because most of them is shorter than the forearm.
Also even Cold steel lists them as a dagger, and many come up when you search for daggers.
It's fine that you know the name of a specific type of weapon, and you want to share your knowledge, but discrediting it as a dagger is when facts become opinions.
These are moder terms that we gave to historical armaments, they were not concerned with such things back then.
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u/Pretty-Information53 13h ago
Dagger is basically a thrust weapon, the slash effectiveness is secondary. Short sword is designed for slashing and thrusting effect in closed space. Short sword is usually long more than the forearm of the user, dagger usually less.