virginiacherry:
We're asked to be meaningful ... but what's that ..... and it's hard.
The context, in regards to being asked to comment meaningfully, is....
We are sure it is much appreciated by the authors, but if you are commenting, please do so meaningfully. Repeatedly saying only 'good story' or 'nice story' and nothing else every time you comment, isn't really helpful...
So, "meaningfully" simply refers to not saying "good story" every time, which is what certain individuals did when we first introduced the requirement to comment every so often.