These are two different aspects but go hand in hand. as a structure organisation has its design and shape. the division of work, authority, departmentation,,homogenity ,unity of direction etc. a wide span of management results in flat organisation.
As a process organisation performs many beneficial activities like communication, decision making,co-ordination,adequate delegation
Organisation as a strcture gives the basic existence and processes provide the future survival.
There must be some time to time modifications needed for both as the organisation has to face lot of challenges.Privatisation and globalisation have created acompetition among all the organisations.The processes provide methods and ways to work efficintly whereas the structure provides the direction about who will report to whom and fix the responsibility.