Understanding the mechanism of signals and slots

Hello, My company wants to decrease our dependency with Qt to the GUI part only so I am looking for a signalslot alternative

Signals and slots are loosely coupled: A class which emits a signal neither knows nor cares which slots receive the signal Qt's signals and slots mechanism

signal and slot in qt ‎QT Designer: ‎Signals and Slots ‎Signals and Slots ‎A signal is emitted when a particular event ‎occurs ‎Emitted by Slot or other funtions ‎A slot is a

signal and slot ‎QT Designer: ‎Signals and Slots ‎Signals and Slots ‎A signal is emitted when a particular event ‎occurs ‎Emitted by Slot or other funtions ‎A slot is a