Scope:
Context. How does the software to be built fit into
a larger system, product, or business context and
what constraints are imposed as a result of the
context?
Information objectives. What customer-visible
data objects (Chapter 8) are produced as output
from the software? What data objects are
required for input?
Function and performance. What function does
the software perform to transform input data into
output? Are any special performance
characteristics to be addressed?
Software project scope must be unambiguous
and understandable at the management and
technical levels.