babbling, 'singing', laughing, making noises or copying animals/cars etc., are ALL PRECURSORS to talking.
But, if you have an Early Intervention Program/organization, which each state seems to have one, they do FREE assessments and speech therapy etc., for kids 0-3 years old.
My son, received speech therapy from ours, in our state, and it was free. Very helpful, very professional, highly trained Speech pathologists and developmental specialists. My son LOVED it.
He began his therapy from 19 months old until almost 3 years old.
He and I, gained much knowledge from it.
Nothing was 'wrong' clinically with my son in his case, just late in talking, and he is also bi-lingual. But it helped immensely and gave him confidence to 'talk' and they also help in the mouth/tongue/throat/lips coordination for certain sounds my son had trouble with.
All beneficial and very positive.
I didn't even need to be referred by our Ped. I just called on my own... I heard about it from my friend.
Kids this age, do not talk 'coherently.' Perfect articulation... is gained developmentally and at certain age junctures.
all the best,
Susan