• Sound Effects
• Clicks and Rollovers

• Clicks
• Hi-Tech
• Interface
• Logos
• Mechanical
• Mouseovers
• Musical Tones
• Organic
• Rollovers
• Space Age
• Start-Ups
• Subtle
• Two Tones

• ... < 30 sec
• 30 sec - 1 min
• 1 min - 2 min
• 2 min > ...

• diy
• buttons
• clicks
• multimedia
• strike