However circumstances can change rapidly and make the initial objectives inappropriate. Flexible objectives can traded for other changes or as a way of mitigating risks. Inflexible objectives can become a liability. Changed requirements of the client can be exchanged for other concessions. However some difficult changes may be demanded unilaterally by the client.
Easy objectives can help.
Objectives that are exceptionally difficult, either individually or collectively can cause problems. Clear objectives can reduce confusion and open new opportunities. Ambiguous objectives are the reverse. In particular, misinterpretation of the requirements can cause problems and aggregate existing ones. Trust between individual or organisations can help with risk identification and control.