Case study $($questions $712)$

Declan has recently finished his qualification and joined the sector. At the moment, he is finding that the most difficult part of his new job is developing an understanding the structure, function and interrelationships between the different parts of the community services system. Declans workplace also has many different lines of communication both internally within his organisation and externally with other related services. What important information should Declan be aware of regarding lines of communication between the organisation he works for and other community services?