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Project Management, ERP and PMO Glossary

Project terms that appear in the same sentence often describe different things. Effort, duration, capacity and cost are especially easy to blur together, creating plans that look correct on paper but fail in execution. This glossary explains terms through their impact on planning, delivery and management decisions rather than as textbook definitions.

Featured topics

Decision Debt

Definition
The accumulated waiting, assumptions, workarounds, rework, cost and delivery risk created when a project or transformation program does not receive the decisions it needs in time.
Common misconception
Not every open decision is Decision Debt. Debt begins when teams start moving on assumptions without the decision, while dependencies and the cost of reversal grow.
For executives
Unlike technical debt, which is usually the future maintenance cost of technical choices, Decision Debt is the governance and delivery cost of delayed decisions, whether technical or not.

Review the Decision Debt approach

Go-live

Definition
The moment the new system starts being used for real business operations. The exit from testing, the entry into production.
Common misconception
Treated as the finish line. In practice go-live is only the starting point — the real validation happens during the weeks that follow (hypercare).
For executives
Go-live is a business-continuity decision, not a technical one. Do not approve without a written rollback plan.

Hypercare

Definition
The post go-live stabilization period (typically 2–6 weeks) during which the team provides high-intensity support and closes critical defects fast.
Common misconception
Seen as an IT-only task. Business key users and the sponsor must stay actively engaged during hypercare as well.
For executives
Define the hypercare exit criteria up front: open critical count, user acceptance signal, and return-to-normal on business KPIs.

Fit-gap analysis

Definition
Documenting the distance between a business requirement and the standard system. Each requirement is tagged as fit (standard covers it) or gap (customization or configuration needed).
Common misconception
Reduced to a spreadsheet. The real value is in writing down acceptance criteria and the decisions to drop requirements.
For executives
If the gap count goes past 100, fit-gap cannot close without a scope conversation. The sponsor should ask “is this really necessary?” for each gap.

Steering committee

Definition
The senior decision body that sets direction and priorities for the program. Attended by sponsors, business leads and the project manager.
Common misconception
Used as a status-reporting meeting. A steering committee exists to take decisions, not to listen to updates.
For executives
Walk into every steering with 2–3 explicit decisions to close. A meeting without decisions is not a steering.

PMO (Project Management Office)

Definition
The function that establishes governance, standards, reporting and delivery discipline across projects. Provides portfolio visibility, decision rhythm and execution quality.
Common misconception
Assumed to collect reports. A good PMO produces decisions, not reports — and makes bottlenecks visible to the sponsor.
For executives
When setting up a PMO, be clear about three things from day one: which decisions it will accelerate, which reports it will standardize, which conflicts it will escalate.

TROIA Web Service

Definition
The service layer Canias ERP exposes for integrating with external systems, allowing other applications to invoke Canias business logic over HTTP.
Common misconception
Treated as a thin API wrapper. The correct use requires validating and logging business logic on the service side as well.
For executives
On integration projects, lock the service inventory and SLA expectations early. The number of services is a proxy for project complexity.

Kickoff

Definition
The formal project start meeting. Alignment on objectives, scope, roles, timeline and communication rules.
Common misconception
Treated as a morale or introduction meeting. A good kickoff is where the first scope and risk negotiation actually happens.
For executives
Fix the kickoff output on a single summary slide: objective, out-of-scope, decision rhythm, sponsor escalation path.

Cutover

Definition
The planned and executed window for switching from the old system to the new. Data migration, opening balances, parallel run and downtime management happen here.
Common misconception
Seen as a single weekend effort. Real cutover is rehearsed over weeks before the event.
For executives
Run at least two cutover rehearsals and update go/no-go criteria after each one. A cutover without rehearsals is high risk.

RAID (Risks, Assumptions, Issues, Dependencies)

Definition
A single register that tracks risks, assumptions, open issues and dependencies across the project. Core governance artefact.
Common misconception
Treated as just a risk list. The real value sits in the assumptions and dependencies columns — most disruptions come from there.
For executives
Only bring five items from the RAID log into each steering. The agenda is decisions pending, not the full list.

Stage-gate

Definition
An approval point with explicit criteria the project must meet before moving from one phase to the next. Opened by the sponsor or steering committee.
Common misconception
Treated as a rubber-stamp signature. A real stage-gate can say “no” or “yes with conditions”. It does not always pass the project through.
For executives
Write the gate criteria at project start. If criteria are being negotiated at the gate, governance is weak.

Change request

Definition
A formal request to alter agreed scope, schedule or budget. Goes through impact analysis, cost review and an approval chain.
Common misconception
Seen as bureaucracy and handled verbally. Verbal changes become the biggest post go-live conflict source.
For executives
Fix the CR rule at kickoff: who raises it, within how many days it is assessed, and above which threshold it needs steering approval.

Person-hour / Man-hour

Definition
An effort unit representing one person's work for one hour. It is commonly used for fine-grained estimates, support work, small development tasks and time-based services.
Common misconception
It is often confused with elapsed time. Sixteen person-hours do not automatically mean two working days; sequencing, dependencies, parallelism and actual resource availability determine duration.
For executives
Before converting person-hours into calendar time, define the standard working-day assumption. One person-day equals eight person-hours only when an eight-hour workday is the agreed standard.

Person-day / Man-day

Definition
An effort unit representing one person's work for one working day. It is widely used in project estimation, proposals, budgeting, capacity planning and resource planning.
Common misconception
A person-day is not a calendar day. A 100 person-day job assigned to five people does not automatically finish in 20 working days. If work cannot be parallelized, critical dependencies exist or roles are not interchangeable, duration will not shrink proportionally.
For executives
Do not accept only the total person-day figure. Ask for role-level effort, parallelizable work, critical-path constraints and capacity assumptions as well.

Person-day: detailed explanation and examples

Person-month / Man-month

Definition
An effort unit representing roughly one person's working capacity for one month. It is used in long-running projects, team capacity models and commercial planning.
Common misconception
It is treated as a universal fixed conversion. In reality, the number of person-days or person-hours in a person-month depends on the working calendar. With 20 working days and an eight-hour day, one person-month is approximately 20 person-days or 160 person-hours.
For executives
If contracts or proposals use person-months, document the conversion standard. Public holidays, leave and non-project time can materially reduce usable capacity.

Person-month: detailed explanation and conversions

Project Effort

Definition
The total human work required to complete a task or project. It is typically expressed in person-hours, person-days or person-months.
Common misconception
Effort is confused with duration. Forty person-days of effort does not mean the work will take forty calendar days; effort describes workload, while duration describes elapsed time from start to finish.
For executives
Keep four values distinct in every estimate: effort, duration, capacity and cost. Once one starts being used as a proxy for another, planning errors follow.

Project effort, duration and capacity explained

Effort vs. Duration

Definition
Effort is the total amount of work required; duration is the elapsed calendar time needed to complete that work. The same effort can translate into different durations depending on team structure and dependencies.
Common misconception
It is assumed that adding people reduces duration linearly. Coordination overhead, specialist dependencies, sequential work and rework often break that relationship.
For executives
If a plan answers 'how many person-days?' but cannot answer 'when will it finish and under which resource constraints?', it is not yet a schedule.

Capacity

Definition
The amount of usable work time a person or team can actually allocate to a project during a given period after accounting for meetings, leave, operational work and other projects.
Common misconception
A person with 20 working days in a month is assumed to provide 20 person-days of project capacity. Operational duties, meetings and competing projects reduce that usable capacity.
For executives
Plan usable capacity, not just named resources. A specialist who is only 30% available should not be scheduled as a full-time project resource.

FTE (Full-Time Equivalent)

Definition
A normalized measure of resource capacity relative to one full-time worker over a defined period. 1.0 FTE represents full-time capacity; 0.5 FTE represents roughly half-time capacity.
Common misconception
FTE is treated as the same as headcount. Two people working at 50% each may total 1 FTE, but they do not necessarily substitute for one full-time person if their skills differ.
For executives
Use FTE to express capacity, but show role and skill composition separately. Equal capacity does not mean equal capability.

Resource Planning

Definition
The process of deciding which role or person will perform each part of the project, when they will do it and how much capacity they can allocate.
Common misconception
Putting names next to tasks is mistaken for resource planning. Real resource planning also considers competing assignments, role constraints, leave and workload peaks.
For executives
The critical question is not simply 'who is available?' but 'which required skill is genuinely available during the critical week?'

Capacity Planning

Definition
The process of comparing project demand against the actual usable capacity of teams and roles over time, then balancing the two.
Common misconception
If annual total capacity is sufficient, the plan is assumed feasible. In practice, bottlenecks usually occur in a specific week or month around a critical role rather than in the yearly total.
For executives
Do not stop at monthly totals. For critical roles, maintain weekly visibility and explicitly manage workload peaks during analysis, architecture, testing and go-live periods.

Project Effort Estimation

Definition
The process of forecasting the total human work required to complete a project or work package using scope, complexity, dependencies, risk and prior experience.
Common misconception
A single estimate is treated as a fixed commitment. An estimate is a controlled forecast based on current information and should be revisited when scope or uncertainty changes.
For executives
Ask for assumptions alongside the number: scope boundaries, exclusions, role mix, uncertainty allowance and the conditions that would cause the estimate to change.
Project Management, ERP and PMO Glossary | Fatih Görgülü