Six Concepts of HCI:

Six Concepts of HCI:

Six Concepts of HCI:

Six Concepts of HCI:

It is about sending back information about what action has been done and what has been accomplished, allowing the person to continue with the activity.

The more visible functions are, the more likely users will be able to know what to do next.

This refers to the relationship between controls and their effects in the world.

This refers to designing interfaces to have similar operations and use similar elements for achieving similar tasks

It is a term used to refer to an attribute of an object that allows people to know how to use it