What is the difference between symbol recognition, classification and identification? I've just wondered if there is a difference between symbol recognition, classification and identification.

What would you use when you have a hand-written symbol and you want to get the LaTeX code for it? Is that symbol classification, because you have about 1200 classes of LaTeX symbols? Or identification? Are some of those words synonyms? Which words are used more often?
The way I've seen it used classification divides a data set into different groups (or classes), while symbol recognition means looking for a specific pattern and checking if it is present in the data or not.

If I understand correctly, what you are talking about is optical character recognition but instead of matching the symbol to an ASCII/unicode value you match it to a LATEX symbol. I think that this could be called both symbol recognition and identification.