Product Manager PM
RD research and development staff
FE front-end R & D personnel
UE User Experience
QA test
OP is the operation and maintenance
IDC room
DB database
DBA database administrator
UI (user interface) for short
PSD Photoshop image processing software stored after processing source file, usually larger capacity than JPG picture format.
SOP Standard Operating Procedure
MRD Market Requirements Document
PRD Product Requirements Document focus on a proposed new products or improve existing products define the market demand.
FSD function in detail.
CRUD increase, read, update, delete