Usages of kommentoida
Onpa kamalaa, jos joku kommentoi ulkonäköä netissä niin, että toisen hermot menevät.
How awful it is if someone comments on appearance online so that the other person's nerves go to pieces.
Minä kommentoin blogia.
I comment on the blog.
Elon.io is an online learning platform
We have an entire course teaching Finnish grammar and vocabulary.