heli - huma
- helical surface
- helix
- helix angle
- helix lead
- hello
- hello message
- hello originator
- hello packet
- help
- help command
- help facilities
- help file
- help index
- help library
- help line
- help menu
- help message
- help mode
- help page
- help request
- help screen
- help system
- help window
- help-desk
- helpful
- helpful hint
- Herbrand universum
- hercules graphics adapter
- hermeneutics
- hermeneutics reasoning
- herringbone structure
- hertz
- hesitation
- heterogeneity
- heterogeneous
- heterogeneous database
- heterogenous database
- heuristic
- heuristic approach
- heuristic knowledge
