data flow diagram
data format
data formatting
data frame
data generator
data handling unit
data hierarchy
data-in
data independence
data input
data integrity
data item
data label
data layer
data level
data line
data link
data link layer (OSI model)
data link protocol
data logging
data management system
data manipulation
data medium
data model
data network
data organization
data path
data plotter
data point
data processing