AC:         Actual Cost
ACWP:     Actual Cost of Work Performed

AD:         Activity Description

ADM: Arrow Diagramming Method

AF:         Actual Finish date

AOA:      Activity-on-Arrow

AON:      Activity-on-Node

AS:         Actual Start date BAG: Budget at Completion

BCWP:     Budgeted Cost of Work Performed

BCWS:      Budgeted Cost of Work Scheduled

CAP:      Control Account Plan (previously called Cost Account Plan)

CCB:    Change Control Board

CPFF:     Cost-Plus-Fixed-Fee

CPI:        Cost Performance Index

CPIF:      Cost-Plus-Incentive-Fee

CPM:      Critical Path Method

CV:         Cost Variance

DD:         Data Date

DU:         Duration

EAC:      Estimate at Completion

EF:         Early Finish date

ES:         Early Start date

ETC:      Estimate to Complete

EV:         Earned Value

EVM:      Earned Value Management

FF:         Free Float or Finish-to-Finish

FFP:      Firm Fixed-Price

FRF:      Fixed-Price- Incentive- Fee

FS:         Finish 40-Start

GERT:      Graphical Evaluation and Review Technique

IFB:        Invitation for Bid

LF:         Late Finish date

LOE:      Level of Effort

Ls:          Late Start date

OBS:      Organization (al) Breakdown Structure

PC:         Percent Complete

PDM:      Precedence Diagramming Method

PERT:      Program Evaluation and Review Technique

PF:         Planned Finish date

PM:        Project Management or Project Manager

PMBOK:      Project Management Body of Knowledge

PMP:          Project Management Professional

PS:         Planned Start date

PV:         Planned Value

QA:        Quality Assurance

QC:        Quality Control

RAM:      Responsibility Assignment Matrix

RDU:      Remaining Duration

RFP:        Request for Proposal

RFQ:        Request for Quotation

SF:         Scheduled Finish date or Start4o- Finish

SOW:      Statement of Work

SPI:        Schedule Performance Index

SS:         Scheduled Start date or Start-to-Start

SV:         Schedule Variance

TC:         Target Completion date

TF:         Total Float or Target Finish date

TQM:      Total Quality Management

TS:         Target Start date

VE:         Value Engineering

WBS:      Work Breakdown Structure

DEFINITIONS

Many of the words defined here have broader and in some cases different, dictionary definitions.

The definitions use the following conventions:

Terms used as part of the definitions and that are defined in the glossary are shown in italics.

When synonyms are included, no definition is given and the reader is directed to the preferred term (i.e., see preferred term).

Related terms that are not synonyms are cross-referenced at the end of the definition (i.e., see also related term).