Internal change refers to change that occur within a business
For example, internal change could involve the introduction of technology, the decision to reward schemes, changes to the organisational structure, or changes to new owners or new leaders
External change refers to changes in the external environment of a business or its competitive environment, these changes, in turn, have consequences for and lead to subsequentchanges in, a business
Incremental change is smalladjustments made, usually over a long period of time, towards a desired end result; it usually does not alter current working practices in a significant way
Disruptive change is an irreversible change to products, processes and markets, a change that alters the future completely from what was expected before the change