Do you have a question? Do you need an answer?
Most field are not compulsory, but the more details I get, the better I will understand your problem and the more accurate the answer will be.
For example, it is important to understand who is your interlocutor compared to you. A colleague? A Manager?
The size of the company allows to differentiate big groups vs small entities, with very different rules.
The position conceptualize the problem.. etc.