Interaction design

Principles IxD

is based on animation inside interfaces: moving icons, menus, transitions, gifs. Motion designers work on IxD

Number of Terms:

2-second rule

The rule refers to an acceptable time of waiting for a system response to the user’s action.

Above the fold

The term came from the printing press, describing the top part of a newspaper’s front page with the heading and subtitles.

Autocomplete

These are suggestions, appeared in a drop-down list, responsively to what the user is typing in the input.