It is just a nickname for the Apple OS (operating system). Apple likes the i in the beginning of many of it's products. Other examples of products are the iPad, iPhone, iPod, iMac. There is an Android OS, Symbian OS, Palm OS, Windows Mobile OS, Blackberry OS which are used in various smartphones.
adjudication committee definition - A committee established by the National Futures Association (NFA) in response to a complaint regarding a forex broker. Complaints are investigated by NFA's ... DictionaryCentral.com
Generally, the respondent is the individual who is responding to the charge. If it is in Juvenile Court the State's Attorney or DA would present charges and the person brought to Court would have to answer [respond] to those charges. It would be the same in Civil Court.