Forms in the back office are not marketing capture tools; they are primary workstations.
Keyboard Dominance
A user should be able to complete a 50-field form without touching the mouse. Tab order must be strictly logical, and complex inputs (like custom comboboxes) must fully support keyboard events.
Label Placement
Top-aligned labels are faster to scan, but for very long forms, left-aligned labels can save vertical space and create a strong scan line. Choose one and apply it ruthlessly.
See Density for layout guidelines.