right and bottom lines on the the rectangle to give the button some depth. Feel free to go wild with rounded borders and shading, but an extra two lines are all you really need.
progression of states for an element. To keep sketches clean, you can sketch out these alternate states on a separate page (sketch templates like the one above are handy).
body text is line weight. As always, the key is to put in only as much detail as you need, and most of the time, that means you don’t really need to show the actual text on the page. Some squiggles will do.
it a great medium for exploring alternative design ideas. There are a lot of ways to generate new ideas: inspiration libraries, word association, conceptual models, etc.
approach to exploring design problems. Design alternatives are quickly sketched out and placed on the board, organized, then critiqued by participants. Kind of a collaborative storyboard combined with a design studio.
sketching out the individual bits of the interface the user will need in order to complete their task. Focus on designing each one separately, then arrange them into a final cohesive design.
sketch templates Sketch Templates • Pentel Sign Pens are good for thick lines, and won’t stink up the joint • Micron pens seem to be built a bit beer than my usual Pi markers Markers