App - Application software
Input - signals and information sent from the computer to the user
Output - signals and information sent from the user to the computer
Property - an objects features eg. colour, size
Text property - the words written on it
Event-driven programme - the actions of the software are triggered by events
Visual programming - making programmes by fitting shapes together
Trigger - an event the causes the computer to carry out an action
Right-click - right mouse button
Syntax - Rules of a programming language
Syntax error - when the code breaks the rules of the programming language