Makes sense means that is a reasonable explanation. Ah, makes sense.
It accepts a reason without necessarily liking it, which is why it is so useful at work. Dropping the subject makes it brisk, since the full form would be that makes sense.
1phrasemakes senseThat is a reasonable explanation.
“He explained the delay and she said makes sense.”
makes sense is a phrase.
Practised in Small Talk & Everyday Phrases