text: Abstraction uses a strategy of simplification , wherein formerly concrete details are left ambiguous , vague , or undefined ; thus effective communication about things in the abstract requires an intuitive or common experience between the communicator and the communication recipient .
simplified: Abstraction uses a strategy of simplification , where formerly concrete details are left ambiguous , vague , or undefined ; thus effective communication about things in the abstract requires an intuitive or common experience between the communicator and the communication recipient .