O

Object Management Group (OMG), 74

objectives of requirements, F-36

objects of a system, F-10

occurrence. See events

offline transactions, 117

off-the-shelf products, implementing infrastructures, F-68

OMG (Object Management Group), 74

online data storage, 107, 108

online documentation, testing, 84

open issues in a requirements specification, F-54

operating systems, 69, 185

operational rules, 308, 312

opportunistic approach to capturing requirement patterns, 43–44

optional parts of a requirement template, 25

Oracle database, 68

order events, storing, 147

order ID, 100

organization units, 264, 326, 327

organizational construct, 325

organizational structure, 260, 327

organizations, system building for different, 255, 260

origin

of a term, F-47

of transactions, 206

outages, 225, 232–237. See also failures

output, 171. See also throughput

outsourcing, tailoring documentation for, 84

over time, charging a fee, 333

overall processing state, specifying, 143

overflows, highlighting on reports, 167

owner

of a glossary, F-49

of transactions, 136

owner entity name, 98

ownership shyness, F-50