an internal environment of an organisation is the environment the organisation has control over, it simply means the environment within the organisation. In business management the internal environment of the organisation consists of its internal resource and capabilities. So what resources does the organisation have to turn inputs into outputs and does it have the skills and knowledge necessary to do so?

Internal customers are familys

Extenal users of information are the users that are not involved in the day to day operations of the organisation. internal users are the ones who who are responsible for the operations of the organisation

Refers to the Internal Politics within an Organisation between the different levels of the organisation. (Top, middle/lower Management and the employee's)

Internal control systems are control procedures put in place by the management of an organisation to ensure efficient and effective operation of her activities, so as to meet the organisation's objectives.