Thank you for the link. It's interesting to read.
Our toddler is 15 month of age and I would expect her to say a few words. But the only thing she said until 2 days ago was "this".(This would be the accurate translation - we are non-English parents).
She said "this" and pointed to the object of interest. Yesterday and the day before she said "This mama" a couple of times.
Our litte girl doesn't like to be read to. There is just one book she enjoys at the moment. She even starts to cry if we don't stop reading.
She is not interested in stacking blocks and doesn't seem to know how to use a form fitter.
Furthermore, our toddler can't walk yet and it seems as if it won't happened in the near future.
She seems to be behind her peers.