Ditto
Diversity
DMP
DNS
DoA
DOA
Doability
Documentation
Dodged A Bullet
Dog Eat Dog World
Doing More With Less
Domain Experience
Domain Knowledge
Domain Model
Don't Get Lost In The Weeds
Don't Try to Boil the Ocean
Do The Needful
Do The Right Thing
Dotted Line
Dotted Line Reporting
Dot The I's And Cross The T's
Double Booked
Double Click
Double Down
Dovetail