Methods and arrangements in a client node and a server node for supporting secure handling of information related to a user, said information being stored by the server node and comprising certain data. Featured are user pointing gesture measures of speed-accuracy tradeoff, referred to as total movement time, and, amount of fine tuning or tail-length, and, exact pointer position. The network may include a plurality of windings configured to provide a winding impedance facilitating optimal transmitter power delivery to the windings. For a selected surface, the method and system search the database of imagery to identify in the database one or more images depicting the selected surface of the 3D model. The connector includes a receptacle having a rear wall configured to adjoin a second circuit board and a receptacle channel that receives a receptacle contact configured to electrically communicate through the rear wall with the second circuit board.