Sketches and mockups

Sketches and mockups are used to capture, iterate and communicate ideas.

Pen and paper, whiteboard, digital paper, Axure, Balsamiq or Keynote... I use whichever one is most convenient and suitable for the particular task, environment and target audience.

Responsive layout sketches

(Note that these sketches are used in discussions and they may seem vague outside of their project's context.)

Processes, functions, methods